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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Craft malformed IKEv2 packets
  2. Delivery
    Send to affected device on port 500/UDP
  3. Exploit
    Trigger improper packet parsing
  4. Execution
    Memory leak in IKEv2 handler
  5. Persist
    Device resource exhaustion
  6. Impact
    Denial of service

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Resource cleanup, leak prevention
Exploitation Conditions

Requires IKEv2 feature enabled on Cisco IOS Software, IOS XE Software, ASA Software, or FTD Software. Unauthenticated remote attacker sends crafted IKEv2 packets to trigger memory leak. No victim interaction required. Affects default configurations with IKEv2 enabled.

Impact

CVSS 8.6. EPSS 0.1%. No patch confirmed.

Exploit ScenarioDerived

An attacker could send specially crafted requests to the Internet Key Exchange to cause resource exhaustion or application crash, disrupting service availability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 25, 2026

A denial of service vulnerability in the Internet Key Exchange (CVSS 8.6). High severity vulnerability requiring prompt remediation.

Earlier versions of this analysis (1)
v1 Mar 25, 2026 - 16:16 CVSS 8.6

A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, and Cisco Secure

RemediationAI

Monitor vendor channels for patch availability.

Affected VersionsENISA

Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.1
IOS 15.2(2)EA1
Cisco IOS XE Software 3.13.9S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.1
IOS 15.0(2)SE10
Cisco IOS XE Software 3.13.0S
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5
IOS 15.2(4)M11
Cisco IOS XE Software 17.7.1a
IOS 15.2(3)EA
Cisco IOS XE Software 17.12.1z2
IOS 15.3(3)JAA
Cisco IOS XE Software 17.3.1z
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.70
IOS 15.6(2)S2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.40
IOS 15.2(4)S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.1.5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.43
Cisco IOS XE Software 3.18.2SP
IOS 15.2(7)E6
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.15
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.13
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.37
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2.8
IOS 15.1(3)S5a
IOS 15.5(3)M6a
Cisco IOS XE Software 16.12.4a
IOS 15.1(2)SG2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.4
IOS 15.4(1)S4
IOS 15.8(3)M1a
IOS 15.2(4)EA4
IOS 15.1(2)GC1
Cisco IOS XE Software 3.11.5E
Cisco IOS XE Software 16.12.3a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.11
Cisco IOS XE Software 17.3.7
IOS 15.2(2a)E2
IOS 15.2(7)E7
Cisco IOS XE Software 16.6.7
Cisco IOS XE Software 16.12.7
IOS 15.4(1)T3
Cisco IOS XE Software 3.8.5aE
Cisco IOS XE Software 17.3.8
IOS 15.2(4)M1
Cisco IOS XE Software 3.11.9E
Cisco IOS XE Software 17.12.4b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.2
IOS 15.0(2)SE10a
Cisco IOS XE Software 16.10.1f
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4
Cisco IOS XE Software 3.13.10S
Cisco IOS XE Software 3.18.7SP
IOS 15.9(3)M12
IOS 15.2(2)E5
IOS 15.2(4)JB3b
IOS 15.3(3)JA6
IOS 15.6(1)T0a
IOS 15.1(2)SY7
Cisco IOS XE Software 17.9.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.7
IOS 15.9(3)M5
Cisco IOS XE Software 16.11.1s
IOS 15.6(3)M2a
IOS 15.2(1)SY7
IOS 15.2(2)JB2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.5
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0
Cisco IOS XE Software 3.8.6E
Cisco IOS XE Software 3.8.10E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1
Cisco IOS XE Software 16.12.5
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.8
Cisco IOS XE Software 16.6.4a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.8
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.47
IOS 15.6(2)T2
IOS 15.2(8)E5
Cisco IOS XE Software 3.18.8aSP
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.12
Cisco IOS XE Software 17.12.1x
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.5
IOS 15.3(1)S1
IOS 15.7(3)M1
Cisco IOS XE Software 3.6.2E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3
Cisco IOS XE Software 17.6.3a
Cisco IOS XE Software 3.13.6S
IOS 15.2(1)SY4
Cisco IOS XE Software 3.18.2S
Cisco IOS XE Software 17.9.6a
IOS 15.3(3)JAB
IOS 15.1(2)SG4
Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.3
IOS 15.6(3)M0a
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.17
IOS 15.1(3)S3
IOS 15.2(1)S2
IOS 15.9(3)M6a
IOS 15.6(3)M6a
Cisco IOS XE Software 16.12.1c
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.38
IOS 15.3(3)M8a
IOS 15.1(4)M6
Cisco Secure Firewall Threat Defense (FTD) Software 7.7.0
Cisco IOS XE Software 3.18.5SP
IOS 15.2(2)E2
IOS 15.2(7)E0b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.67
Cisco IOS XE Software 16.10.1s
IOS 15.0(2)SE8
IOS 15.3(3)S3
IOS 15.5(1)SY14
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.5
Cisco IOS XE Software 17.18.1a
IOS 15.2(2)S0c
Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1.1
IOS 15.2(4)JB
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.6
Cisco IOS XE Software 3.11.10E
IOS 15.2(2)GC
IOS 15.6(1)T3
Cisco IOS XE Software 17.11.1
Cisco IOS XE Software 3.6.10E
IOS 15.3(3)JC
Cisco IOS XE Software 17.3.5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.15
IOS 15.8(3)M2a
IOS 15.3(3)JA5
IOS 15.2(4)E2
IOS 15.3(3)JBB5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1
IOS 15.5(1)SY9
IOS 15.3(2)T1
Cisco Secure Firewall Threat Defense (FTD) Software 7.3.0
IOS 15.0(2)EK1
Cisco IOS XE Software 3.6.6E
IOS 15.3(3)M5
IOS 15.5(2)S
Cisco IOS XE Software 3.16.7bS
IOS 15.5(1)SY16
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.84
IOS 15.5(3)M
Cisco IOS XE Software 3.11.2S
Cisco IOS XE Software 17.3.5b
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.9
Cisco IOS XE Software 17.9.1y1
Cisco IOS XE Software 3.11.1E
IOS 15.2(4)EA5
Cisco IOS XE Software 3.8.2E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.20
IOS 15.2(6)E2b
IOS 15.2(6)E1
IOS 15.1(4)M7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.82
IOS 15.5(3)M1
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.7
IOS 15.2(1)SY8
IOS 15.9(3)M8b
Cisco IOS XE Software 17.6.2
IOS 15.3(1)S
IOS 15.3(3)JA4
IOS 15.3(1)SY2
IOS 15.2(4)EA8
IOS 15.8(3)M3a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.7
IOS 15.2(4)M8
IOS 15.3(3)M9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.27
IOS 15.4(2)T3
IOS 15.6(1)S2
IOS 15.3(1)T3
Cisco IOS XE Software 17.6.1x
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1.1
Cisco IOS XE Software 3.12.4S
IOS 15.4(1)SY4
Cisco IOS XE Software 16.11.1a
IOS 15.1(1)SY1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.28
Cisco IOS XE Software 3.17.3S
Cisco IOS XE Software 3.7.5E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.26
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.1.7
IOS 15.0(2)SE1
Cisco IOS XE Software 16.9.1a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.30
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.3
Cisco IOS XE Software 16.6.2
Cisco IOS XE Software 17.6.3
IOS 15.2(6)E
IOS 15.2(4)M
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.12
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.48
IOS 15.4(1)SY1
Cisco IOS XE Software 17.4.2
Cisco IOS XE Software 17.3.2a
IOS 15.2(4)S6
Cisco IOS XE Software 16.12.14
IOS 15.3(3)JB
IOS 15.5(1)S2
Cisco IOS XE Software 3.8.3E
IOS 15.3(3)JA10
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.32
Cisco IOS XE Software 3.11.3E
Cisco IOS XE Software 3.18.0S
IOS 15.2(7)E9
Cisco IOS XE Software 16.6.10
IOS 15.2(4)S3
Cisco IOS XE Software 16.9.1b
IOS 15.2(6)E0a
Cisco IOS XE Software 17.3.5a
Cisco IOS XE Software 16.12.1y
IOS 15.8(3)M1
Cisco IOS XE Software 17.9.7
Cisco IOS XE Software 17.9.4a
Cisco IOS XE Software 17.3.1w
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.1
IOS 15.4(3)S6a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.13
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.2
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5
IOS 15.2(8)E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.39
Cisco IOS XE Software 3.16.4S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.39
Cisco IOS XE Software 17.9.3a
Cisco IOS XE Software 17.9.5
IOS 15.2(6)E0c
IOS 15.4(2)S1
IOS 15.1(1)S2
Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.1
Cisco IOS XE Software 3.14.4S
Cisco IOS XE Software 16.8.2
IOS 15.2(8)E1
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.8.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.13
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.54
IOS 15.2(4)JB6
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.2
Cisco IOS XE Software 17.12.4
IOS 15.2(2)E7
IOS 15.1(2)SY16
IOS 15.7(3)M
IOS 15.0(2)EK
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.2
Cisco IOS XE Software 3.6.7bE
IOS 15.5(1)SY6
IOS 15.6(3)M6
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.53
IOS 15.5(2)S2
IOS 15.0(2)EA1
IOS 15.4(3)S4
Cisco IOS XE Software 17.2.1a
Cisco IOS XE Software 16.10.1e
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.7.1
IOS 15.3(3)S5
IOS 15.4(1)T4
IOS 15.5(1)T4
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.1
Cisco IOS XE Software 17.7.2
IOS 15.1(4)GC1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.38
IOS 15.6(3)M9
IOS 15.2(2)JB4
IOS 15.4(3)S2
IOS 15.3(3)M3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.28
Cisco IOS XE Software 16.10.1a
IOS 15.4(3)S1
Cisco IOS XE Software 3.14.0S
Cisco IOS XE Software 3.11.3aE
IOS 15.6(2)SP9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.44
Cisco IOS XE Software 17.1.1s
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.16
IOS 15.1(3)S1
Cisco IOS XE Software 3.16.7aS
Cisco IOS XE Software 17.15.1a
IOS 15.3(1)SY
IOS 15.3(3)S8a
Cisco IOS XE Software 17.3.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.50
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.29
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.0
IOS 15.4(3)S10
IOS 15.3(2)T2
IOS 15.3(3)S
IOS 15.3(3)JNB3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.18
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.10
IOS 15.2(2)S
IOS 15.3(3)S1
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.5
IOS 15.1(1)SY6
IOS 15.2(4)S4
Cisco IOS XE Software 3.13.1S
IOS 15.9(3)M2
IOS 15.1(2)SY12
IOS 15.2(2)E5a
Cisco IOS XE Software 17.13.1a
IOS 15.5(1)SY2
IOS 15.1(4)GC
IOS 15.3(3)JBB
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.13
IOS 15.2(4)M3
IOS 15.1(2)SY14
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.48
Cisco IOS XE Software 17.6.1z
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.20
Cisco IOS XE Software 3.6.5aE
IOS 15.2(4)E
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.2
IOS 15.6(2)T1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.15
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.55
Cisco IOS XE Software 17.3.4b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7
IOS 15.9(3)M
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.4
Cisco IOS XE Software 3.16.0cS
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.1
IOS 15.5(1)T
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.13
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.20
Cisco IOS XE Software 3.16.10S
Cisco IOS XE Software 16.9.6
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.14
Cisco IOS XE Software 17.15.3a
Cisco IOS XE Software 17.15.1w
Cisco IOS XE Software 17.6.5
IOS 15.2(4)M7
IOS 15.2(1)E3
Cisco IOS XE Software 3.13.5S
IOS 15.3(3)S4
IOS 15.5(1)T2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.31
IOS 15.5(3)S6a
IOS 15.2(1)GC
IOS 15.5(2)S1
Cisco IOS XE Software 17.9.5e
Cisco IOS XE Software 16.9.5f
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.18
IOS 15.5(1)SY
Cisco IOS XE Software 3.12.1S
IOS 15.3(2)T4
Cisco IOS XE Software 3.15.4S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.67
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.42
IOS 15.2(4)S3a
IOS 15.4(1)T1
IOS 15.8(3)M
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.12
IOS 15.2(1)GC2
IOS 15.5(3)SN
IOS 15.1(4)GC2
IOS 15.9(3)M3b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.15
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.2
Cisco IOS XE Software 17.3.8a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28
IOS 15.2(1)SY3
IOS 15.6(3)M3
IOS 15.2(7)E0s
IOS 15.0(2)SE11
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.53
IOS 15.9(3)M11
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.24
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.4.1
IOS 15.8(3)M8
IOS 15.4(2)T
Cisco IOS XE Software 3.7.4E
IOS 15.2(3)E1
Cisco IOS XE Software 3.17.4S
Cisco IOS XE Software 17.15.4d
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.56
Cisco IOS XE Software 17.9.3
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.3
IOS 15.1(2)GC2
IOS 15.9(3)M10
Cisco IOS XE Software 3.10.3E
Cisco IOS XE Software 16.12.5b
IOS 15.9(3)M3a
IOS 15.1(2)S1
IOS 15.2(1)SY1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.19
IOS 15.2(6)E2
IOS 15.3(3)JN8
IOS 15.2(7)E4
IOS 15.5(1)T1
IOS 15.2(5)E1
IOS 15.2(4)M6a
Cisco IOS XE Software 3.11.3S
IOS 15.5(3)M9
IOS 15.3(3)M7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.22
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2
IOS 15.4(3)S8
IOS 15.3(3)JC2
IOS 15.9(3)M4
IOS 15.6(2)S1
IOS 15.2(2)EA3
Cisco IOS XE Software 3.13.2aS
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.3
Cisco IOS XE Software 16.8.1d
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.6
IOS 15.5(1)SY12
IOS 15.5(3)S4
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.6
Cisco IOS XE Software 3.16.2bS
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.10
Cisco IOS XE Software 17.3.6
Cisco IOS XE Software 17.9.1w
IOS 15.1(2)SG
IOS 15.2(4)JB5m
IOS 15.9(3)M7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.3
Cisco IOS XE Software 16.7.2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.8
Cisco IOS XE Software 3.16.3S
Cisco IOS XE Software 3.6.0E
IOS 15.2(4)E6
Cisco IOS XE Software 17.15.3
Cisco IOS XE Software 3.13.0aS
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.6.1
IOS 15.6(2)S3
Cisco IOS XE Software 16.12.1t
IOS 15.2(7)E2a
IOS 15.2(2)E10
Cisco IOS XE Software 3.17.1S
IOS 15.6(3)M8
Cisco IOS XE Software 16.7.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.22
IOS 15.5(3)M3
IOS 15.7(3)M3
IOS 15.1(2)SG3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.65
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.14
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.3
Cisco IOS XE Software 3.6.4E
IOS 15.2(4)EA7
Cisco IOS XE Software 17.15.2b
IOS 15.5(1)SY13
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3
Cisco IOS XE Software 3.13.8S
Cisco Secure Firewall Threat Defense (FTD) Software 7.6.2
Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1
IOS 15.2(4)JB5
IOS 15.2(7)E8
Cisco IOS XE Software 3.14.1S
Cisco IOS XE Software 3.13.3S
Cisco IOS XE Software 17.9.7a
IOS 15.2(2)E9
IOS 15.2(2)SY
IOS 15.5(3)S1
IOS 15.2(4)EA6
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.55
Cisco IOS XE Software 17.12.5
IOS 15.5(3)S7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.26
IOS 15.8(3)M9
Cisco IOS XE Software 17.2.2
Cisco IOS XE Software 3.14.2S
IOS 15.8(3)M0b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.11
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.15
IOS 15.2(3)E3
Cisco IOS XE Software 17.9.5a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.21
IOS 15.2(1)E
Cisco IOS XE Software 17.12.2
IOS 15.5(1)S1
Cisco IOS XE Software 3.10.0E
IOS 15.1(2)SY6
Cisco IOS XE Software 3.16.1aS
IOS 15.0(2)SE4
IOS 15.0(2)SE7
IOS 15.5(3)S9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.35
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.15
Cisco IOS XE Software 17.12.1y
IOS 15.5(1)T3
IOS 15.6(3)M1
Cisco IOS XE Software 3.15.2S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.24
Cisco IOS XE Software 3.11.8E
IOS 15.2(3)GC1
IOS 15.7(3)M4
Cisco IOS XE Software 3.10.2E
IOS 15.2(3)GC
IOS 15.0(2)SE12
IOS 15.2(7)E10
IOS 15.4(2)S2
Cisco IOS XE Software 17.6.1a
Cisco IOS XE Software 3.17.2S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.1.3
Cisco IOS XE Software 16.12.1x
IOS 15.3(3)JAX1
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.0.1
Cisco IOS XE Software 3.10.0cE
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.4
IOS 15.1(2)GC
IOS 15.1(4)M2
Cisco IOS XE Software 3.16.5S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.24
IOS 15.3(3)JC4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.23
Cisco IOS XE Software 16.9.5
Cisco IOS XE Software 17.2.1v
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.14
Cisco IOS XE Software 16.12.11
IOS 15.8(3)M3b
IOS 15.6(3)M3a
Cisco IOS XE Software 3.5.3E
Cisco IOS XE Software 17.14.1
IOS 15.6(3)M6b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.68
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.35
IOS 15.1(2)SY1
IOS 15.2(4)JB3a
Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.0
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2
IOS 15.2(4)M2
Cisco IOS XE Software 3.18.1aSP
IOS 15.6(2)SP3
Cisco IOS XE Software 3.18.3SP
IOS 15.2(2)JB5
Cisco IOS XE Software 3.15.3S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.6.2
IOS 15.2(2)S0a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.24
IOS 15.9(3)M8
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3
IOS 15.2(4)EA9a
IOS 15.2(2)EA
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1
Cisco IOS XE Software 17.16.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.47
Cisco IOS XE Software 17.12.1z
Cisco IOS XE Software 17.6.6
IOS 15.1(2)SY
Cisco IOS XE Software 17.2.1
Cisco IOS XE Software 3.16.6bS
IOS 15.2(2)S2
Cisco IOS XE Software 16.7.4
IOS 15.8(3)M3
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.16
IOS 15.2(4)M10
IOS 15.3(3)JC3
IOS 15.3(3)S9
IOS 15.2(4)GC3
Cisco IOS XE Software 17.12.5a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.3
Cisco IOS XE Software 3.16.6S
IOS 15.4(1)SY3
IOS 15.4(1)CG
IOS 15.6(2)SP1
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.11
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.15
IOS 15.0(2)EA
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.41
IOS 15.3(2)T3
IOS 15.1(3)S0a
IOS 15.2(2)E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.16
Cisco IOS XE Software 3.18.9SP
Cisco IOS XE Software 16.12.6
IOS 15.6(1)S4
Cisco IOS XE Software 3.6.9E
IOS 15.5(2)T
IOS 15.4(2)CG
IOS 15.4(1)SY
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.57
IOS 15.6(2)SP5
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2
IOS 15.6(3)M7
IOS 15.0(2)SE2
Cisco IOS XE Software 3.18.3bSP
Cisco IOS XE Software 16.8.1b
IOS 15.2(1)S1
IOS 15.1(3)S2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.46
IOS 15.2(4)JB3s
IOS 15.4(2)T2
IOS 15.0(2)EJ1
Cisco IOS XE Software 17.3.4c
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.46
IOS 15.5(2)S4
Cisco IOS XE Software 3.16.4aS
Cisco IOS XE Software 3.7.1E
Cisco IOS XE Software 17.1.1a
Cisco IOS XE Software 3.5.0E
Cisco IOS XE Software 17.12.6a
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1
IOS 15.1(4)M5
IOS 15.4(2)S3
Cisco IOS XE Software 16.12.8
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.10
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.20
Cisco IOS XE Software 3.18.1cSP
IOS 15.1(2)SY8
IOS 15.5(1)SY15
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.4.7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.14
Cisco IOS XE Software 17.9.2a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.39
IOS 15.6(2)S4
IOS 15.2(5)EX
Cisco IOS XE Software 16.12.1s
IOS 15.2(4)E10d
Cisco IOS XE Software 17.15.3b
IOS 15.2(4)M6
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.8
Cisco IOS XE Software 3.8.5E
Cisco IOS XE Software 3.18.1bSP
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.14
IOS 15.6(2)T3
Cisco IOS XE Software 16.9.1s
Cisco IOS XE Software 3.11.1aE
Cisco IOS XE Software 17.3.2
Cisco IOS XE Software 17.10.1b
IOS 15.2(2)E5b
IOS 15.2(2)E8
IOS 15.3(3)M6
IOS 15.2(8)E3
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.11
IOS 15.5(3)S10
IOS 15.7(3)M5
Cisco IOS XE Software 16.11.1
Cisco IOS XE Software 16.12.2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.33
IOS 15.4(3)S5
IOS 15.4(3)S6
IOS 15.2(1)SY5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.58
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.52
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.34
IOS 15.8(3)M6
IOS 15.2(4)JB1
Cisco IOS XE Software 16.9.2
IOS 15.9(3)M2a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.42
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.8
Cisco IOS XE Software 16.8.1a
IOS 15.1(1)SY
IOS 15.2(4)M4
IOS 15.1(1)SY5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.18
Cisco IOS XE Software 17.15.2c
IOS 15.1(2)SG7
Cisco IOS XE Software 3.11.6E
Cisco IOS XE Software 16.8.1s
IOS 15.9(3)M1
Cisco IOS XE Software 17.9.6
IOS 15.4(3)S7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.61
Cisco IOS XE Software 3.16.3aS
IOS 15.9(3)M9
IOS 15.5(3)S
IOS 15.2(7a)E0b
Cisco Secure Firewall Threat Defense (FTD) Software 7.6.0
IOS 15.3(2)S2
Cisco IOS XE Software 17.15.1b
Cisco IOS XE Software 3.15.1S
IOS 15.0(2)EY
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.17
Cisco IOS XE Software 3.12.3S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.57
IOS 15.3(3)M1
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.4
Cisco IOS XE Software 3.7.3E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.38
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.8
Cisco IOS XE Software 16.12.13
IOS 15.1(2)S
IOS 15.4(1)S1
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.3
IOS 15.2(4)E4
IOS 15.1(4)M3
IOS 15.0(2)SE9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.6
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.8
IOS 15.2(5b)E
Cisco IOS XE Software 3.18.0aS
Cisco IOS XE Software 16.10.1g
IOS 15.2(8)E2
IOS 15.5(2)T4
IOS 15.5(3)M5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.48
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.9
Cisco IOS XE Software 3.8.1E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.25
Cisco IOS XE Software 16.12.2s
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.7
Cisco IOS XE Software 17.15.4e
Cisco IOS XE Software 3.11.13E
IOS 15.2(7)E
Cisco IOS XE Software 17.12.2a
IOS 15.6(1)S
Cisco IOS XE Software 3.14.3S
IOS 15.5(3)M2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.26
Cisco Secure Firewall Threat Defense (FTD) Software 7.3.1.2
IOS 15.5(3)M4a
Cisco IOS XE Software 16.6.9
Cisco IOS XE Software 17.6.5a
IOS 15.2(5)EA
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2.4
Cisco IOS XE Software 3.13.7S
IOS 15.1(4)M8
IOS 15.2(2)JAX
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.8
Cisco IOS XE Software 3.16.0S
Cisco IOS XE Software 16.7.3
IOS 15.5(1)S4
IOS 15.5(3)S2
IOS 15.4(1)S
Cisco IOS XE Software 3.16.4bS
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.55
Cisco IOS XE Software 17.2.1r
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4
Cisco IOS XE Software 16.6.6
IOS 15.1(4)M3a
IOS 15.0(2)SE5
IOS 15.6(1)T1
IOS 15.3(1)T2
Cisco IOS XE Software 3.8.8E
Cisco Secure Firewall Threat Defense (FTD) Software 7.6.1
IOS 15.5(3)S8
Cisco IOS XE Software 3.18.3aSP
Cisco IOS XE Software 17.17.1
IOS 15.2(2)E1
Cisco IOS XE Software 16.10.1b
Cisco IOS XE Software 3.11.11E
Cisco Secure Firewall Threat Defense (FTD) Software 7.1.0.2
IOS 15.2(7)E11
IOS 15.2(4)M5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.50
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.13
Cisco IOS XE Software 16.12.1w
Cisco IOS XE Software 16.12.6a
Cisco IOS XE Software 3.13.5aS
Cisco IOS XE Software 17.2.3
IOS 15.5(3)S0a
IOS 15.2(2)E4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.14
IOS 15.2(3)E4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.9
IOS 15.1(4)M9
IOS 15.1(1)SG
IOS 15.6(3)M
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.10.2
Cisco IOS XE Software 17.9.8
IOS 15.6(3)M4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.24
IOS 15.0(2)EY1
IOS 15.8(3)M4
Cisco IOS XE Software 16.12.12
Cisco IOS XE Software 17.6.1y
Cisco IOS XE Software 17.12.1z3
IOS 15.3(1)SY1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.23
Cisco IOS XE Software 17.9.5b
IOS 15.2(4)E7
Cisco IOS XE Software 3.9.2E
Cisco IOS XE Software 17.12.1z1
IOS 15.2(8)E7
IOS 15.3(3)JA7
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5.2
IOS 15.3(3)JAX
IOS 15.2(7)E3
IOS 15.5(1)S3
IOS 15.5(1)SY11
Cisco IOS XE Software 17.7.1b
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.2
IOS 15.2(7b)E0b
Cisco IOS XE Software 17.9.1a
Cisco IOS XE Software 3.7.2E
IOS 15.0(2)SE6
IOS 15.1(4)M
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.12
Cisco IOS XE Software 17.3.4a
Cisco IOS XE Software 3.11.0S
Cisco IOS XE Software 16.7.1a
IOS 15.6(3)M5
IOS 15.1(1)SY2
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.13
Cisco IOS XE Software 17.6.1z1
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.10
Cisco IOS XE Software 16.12.1z2
IOS 15.2(5)E2c
Cisco IOS XE Software 17.12.1w
IOS 15.2(4)E1
IOS 15.2(1)SY1a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.19
IOS 15.7(3)M9
Cisco IOS XE Software 17.8.1
IOS 15.1(2)SY3
IOS 15.1(2)SY13
Cisco IOS XE Software 16.8.3
IOS 15.1(2)SY11
Cisco IOS XE Software 17.5.1a
IOS 15.9(3)M0a
Cisco IOS XE Software 16.9.3a
Cisco IOS XE Software 3.5.2E
Cisco IOS XE Software 17.12.5b
IOS 15.9(3)M4a
IOS 15.4(3)S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.9
Cisco IOS XE Software 16.6.8
IOS 15.4(2)S4
Cisco IOS XE Software 3.16.7S
Cisco IOS XE Software 16.8.1
Cisco IOS XE Software 16.12.4
IOS 15.7(3)M0a
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.10
Cisco IOS XE Software 17.9.2
Cisco IOS XE Software 16.10.1c
IOS 15.3(3)JC5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2.9
IOS 15.3(3)S10
IOS 15.9(3)M7a
Cisco IOS XE Software 3.9.1E
IOS 15.2(3)E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.39
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.18
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.8
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.2
IOS 15.3(3)JAX2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2.7
Cisco IOS XE Software 16.10.3
IOS 15.1(2)SY4a
Cisco IOS XE Software 16.12.3s
Cisco IOS XE Software 17.6.1
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.0.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.29
IOS 15.6(3)M1b
IOS 15.2(4)E10a
IOS 15.2(1)SY0a
Cisco IOS XE Software 17.6.7
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.3
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.4
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.15
Cisco IOS XE Software 17.10.1
IOS 15.4(2)T1
IOS 15.2(4)GC
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.67
IOS 15.1(1)S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4
IOS 15.5(1)SY7
Cisco IOS XE Software 17.12.6
IOS 15.2(7)E12
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.38
Cisco IOS XE Software 3.6.2aE
IOS 15.2(4)E5
IOS 15.2(4)JB4
Cisco IOS XE Software 17.15.1y
Cisco IOS XE Software 17.9.4
Cisco IOS XE Software 16.9.1
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1
IOS 15.2(4)M9
IOS 15.1(4)M1
IOS 15.2(7)E1
IOS 15.3(3)JD
IOS 15.2(1)E2
IOS 15.6(2)T
Cisco IOS XE Software 3.12.0S
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.3
IOS 15.1(2)SY9
IOS 15.3(3)JD2
IOS 15.6(1)T
Cisco IOS XE Software 3.18.4S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.9
IOS 15.6(3)M2
IOS 15.6(2)SP2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.9
IOS 15.2(1)E1
IOS 15.2(8)E6
IOS 15.2(1)S
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.1
IOS 15.1(2)SY10
Cisco IOS XE Software 16.8.1c
Cisco IOS XE Software 17.6.1w
IOS 15.2(2)E3
Cisco IOS XE Software 17.4.1b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.46
IOS 15.5(2)T1
IOS 15.3(2)S
IOS 15.2(4)EC2
IOS 15.4(1)S2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.14
IOS 15.7(3)M6
Cisco IOS XE Software 17.12.3
IOS 15.0(2)SE
IOS 15.1(2)SG1
Cisco IOS XE Software 17.10.1a
Cisco IOS XE Software 17.9.5f
Cisco IOS XE Software 3.11.4S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.29
Cisco IOS XE Software 16.9.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.10
IOS 15.5(3)M10
IOS 15.4(3)S3
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.8.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3
IOS 15.5(3)M8
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.66
Cisco IOS XE Software 3.12.0aS
Cisco IOS XE Software 16.11.2
Cisco IOS XE Software 17.12.1z4
IOS 15.2(7)E2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.45
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.40
Cisco IOS XE Software 16.7.1b
Cisco IOS XE Software 3.12.2S
Cisco IOS XE Software 3.11.7E
Cisco IOS XE Software 3.18.4SP
Cisco IOS XE Software 16.9.8
IOS 15.4(2)T4
IOS 15.2(4)E3
IOS 15.6(2)SP8
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.7
IOS 15.1(2)SY15
IOS 15.0(2)SE3
IOS 15.2(4)S1
Cisco IOS XE Software 16.12.1z1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.37
IOS 15.2(7)E0a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.2.4
Cisco Secure Firewall Threat Defense (FTD) Software 7.7.10
IOS 15.2(2)SY1
IOS 15.3(3)M4
IOS 15.6(2)S
IOS 15.2(4)EA
IOS 15.2(2)SY2
Cisco IOS XE Software 17.12.1a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.15
IOS 15.5(2)S3
Cisco IOS XE Software 17.8.1a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.26
IOS 15.3(3)M10
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3.39
IOS 15.1(1)SY3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.76
IOS 15.0(2)EJ
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.12
IOS 15.2(2)SY3
Cisco IOS XE Software 3.11.1S
Cisco IOS XE Software 3.9.0E
IOS 15.8(3)M7
IOS 15.3(3)S2
Cisco IOS XE Software 17.4.2a
Cisco IOS XE Software 3.13.2S
IOS 15.6(2)SP
Cisco IOS XE Software 16.12.1
Cisco IOS XE Software 17.3.1
IOS 15.3(3)M2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1.5
IOS 15.5(1)SY10
Cisco IOS XE Software 17.14.1a
Cisco IOS XE Software 3.11.0E
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.2
IOS 15.3(1)T4
Cisco IOS XE Software 16.10.1d
Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2
Cisco IOS XE Software 3.13.6aS
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1.1
IOS 15.2(6)E3
IOS 15.2(7)E5
IOS 15.8(3)M5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.27
IOS 15.3(2)T
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.7
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.6
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.2.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.7
IOS 15.6(1)T2
Cisco IOS XE Software 17.15.1
Cisco IOS XE Software 16.12.3
Cisco IOS XE Software 3.7.0E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.22
IOS 15.9(3)M3
Cisco IOS XE Software 17.4.1
IOS 15.1(2)S2
IOS 15.3(3)JBB4
IOS 15.4(3)S9
Cisco IOS XE Software 16.10.2
Cisco IOS XE Software 16.6.5a
IOS 15.2(4)E8
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.9
Cisco IOS XE Software 17.3.1a
Cisco IOS XE Software 3.8.0E
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.7
IOS 15.2(2)S1
IOS 15.3(3)S7
IOS 15.5(3)S9a
Cisco IOS XE Software 17.6.8a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.10
Cisco IOS XE Software 3.18.3S
IOS 15.2(5a)E1
Cisco IOS XE Software 16.6.4
IOS 15.2(7)E3k
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.2.10
IOS 15.0(2)EY2
Cisco IOS XE Software 17.7.1
Cisco IOS XE Software 16.6.5
IOS 15.5(3)S6b
Cisco IOS XE Software 17.9.1x
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.22
Cisco IOS XE Software 17.12.5d
Cisco IOS XE Software 3.11.2E
IOS 15.5(2)T2
Cisco IOS XE Software 3.16.1S
Cisco IOS XE Software 17.3.3
Cisco Secure Firewall Threat Defense (FTD) Software 7.7.10.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.19
IOS 15.5(3)S5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.29
IOS 15.6(2)SP6
IOS 15.1(3)S4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.7
IOS 15.1(2)SY4
Cisco IOS XE Software 16.12.5a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.33
Cisco IOS XE Software 17.3.1x
IOS 15.0(2)EY3
Cisco IOS XE Software 3.18.1S
IOS 15.6(2)SP7
IOS 15.2(1)SY
IOS 15.2(4)EA3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.33
Cisco IOS XE Software 17.12.5c
IOS 15.1(2)SY5
IOS 15.3(3)JBB1
IOS 15.0(2)SE13
Cisco IOS XE Software 16.11.1b
Cisco IOS XE Software 3.16.8S
Cisco IOS XE Software 17.15.2a
IOS 15.2(5a)E
Cisco IOS XE Software 17.15.1x
IOS 15.2(4)JB3
IOS 15.2(3a)E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.71
IOS 15.1(2)SG8
Cisco IOS XE Software 3.11.4E
IOS 15.4(1)S3
Cisco IOS XE Software 16.6.3
IOS 15.4(2)S
IOS 15.8(3)M0a
IOS 15.2(2)E6
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.3.2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.62
Cisco IOS XE Software 3.18.0SP
Cisco IOS XE Software 17.9.1y
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.45
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.9
IOS 15.3(3)JBB6
Cisco IOS XE Software 17.13.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.8
IOS 15.5(3)M0a
Cisco IOS XE Software 17.9.7b
IOS 15.5(3)M7
IOS 15.2(5)E2
Cisco IOS XE Software 17.15.1z
IOS 15.1(3)S
IOS 15.2(3)E2
IOS 15.2(1)SY6
IOS 15.4(1)T2
Cisco IOS XE Software 3.6.3E
Cisco IOS XE Software 3.13.4S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4
IOS 15.7(3)M4b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.45
IOS 15.5(3)M6
IOS 15.4(1)CG1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.40
Cisco IOS XE Software 3.6.8E
Cisco IOS XE Software 17.16.1a
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0
IOS 15.2(2)JB
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.10
IOS 15.2(5c)E
Cisco IOS XE Software 3.8.4E
Cisco IOS XE Software 16.9.3
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.12
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1
IOS 15.3(3)S8
IOS 15.2(4)S4a
Cisco IOS XE Software 17.18.1
IOS 15.7(3)M8
IOS 15.2(4)GC2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.4.7
Cisco IOS XE Software 3.5.1E
Cisco IOS XE Software 17.12.6b
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.56
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.2.17
IOS 15.7(3)M7
IOS 15.2(1)SY2
IOS 15.5(1)SY3
Cisco IOS XE Software 17.11.1a
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.34
Cisco IOS XE Software 3.17.1aS
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.41
IOS 15.2(6)E2a
IOS 15.2(4)S2
Cisco IOS XE Software 17.15.4
Cisco IOS XE Software 3.6.5E
IOS 15.6(1)S3
Cisco IOS XE Software 16.12.9
IOS 15.1(3)S5
Cisco IOS XE Software 16.6.1
IOS 15.4(1)T
IOS 15.1(1)SY4
Cisco IOS XE Software 3.6.1E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.3
Cisco Secure Firewall Threat Defense (FTD) Software 6.4.0.16
Cisco IOS XE Software 17.9.1x1
Cisco IOS XE Software 16.12.2a
IOS 15.2(4)GC1
IOS 15.1(1)SG1
IOS 15.1(2)SY2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.17
Cisco IOS XE Software 17.5.1
Cisco IOS XE Software 16.12.1a
IOS 15.2(2a)E1
IOS 15.3(3)JC1
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.17
IOS 15.3(1)S2
Cisco IOS XE Software 3.18.6SP
Cisco IOS XE Software 16.8.1e
Cisco IOS XE Software 3.16.2S
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.6.3
IOS 15.3(3)JA1m
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.52
Cisco IOS XE Software 17.18.1w
Cisco IOS XE Software 3.8.9E
IOS 15.2(4)S5
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.1.30
IOS 15.2(4)E9
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.15
Cisco IOS XE Software 3.16.2aS
Cisco IOS XE Software 3.18.2aSP
IOS 15.8(3)M2
IOS 15.3(1)T
Cisco IOS XE Software 17.12.3a
Cisco IOS XE Software 3.11.12E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.13
IOS 15.5(1)SY5
IOS 15.3(3)JA
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.6
IOS 15.2(2)JB6
IOS 15.2(7)E1a
IOS 15.9(3)M6
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.4
IOS 15.2(8)E4
Cisco IOS XE Software 17.15.2
Cisco IOS XE Software 3.10.1E
Cisco IOS XE Software 3.16.9S
IOS 15.7(3)M4a
IOS 15.3(3)JA8
IOS 15.3(3)JA1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.1.3
Cisco IOS XE Software 16.9.7
IOS 15.2(2)EA2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.35
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1
Cisco IOS XE Software 17.6.4
Cisco IOS XE Software 3.15.1cS
IOS 15.2(1)GC1
IOS 15.3(3)JBB2
Cisco IOS XE Software 17.12.1
IOS 15.3(3)M
Cisco Secure Firewall Threat Defense (FTD) Software 7.6.2.1
IOS 15.2(1)EY
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.18
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2
IOS 15.1(4)M10
IOS 15.5(3)S1a
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.1
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.5.1
Cisco IOS XE Software 3.15.0S
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.7
IOS 15.1(1)S1
Cisco IOS XE Software 17.1.3
IOS 15.2(4)E10
IOS 15.5(1)SY8
IOS 15.3(3)S1a
Cisco IOS XE Software 3.18.1SP
Cisco IOS XE Software 3.17.0S
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.2.13
IOS 15.1(3)S6
IOS 15.1(2)SG6
Cisco IOS XE Software 16.12.10a
IOS 15.1(1)SG2
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.17.1.30
IOS 15.1(4)M4
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.62
IOS 15.2(4)EA1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.4.5
Cisco Secure Firewall Threat Defense (FTD) Software 6.6.7.2
Cisco IOS XE Software 3.13.7aS
Cisco IOS XE Software 3.6.7E
IOS 15.1(2)SG5
IOS 15.7(3)M2
Cisco IOS XE Software 3.8.7E
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.14.3.11
IOS 15.5(1)SY1
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.6
Cisco IOS XE Software 17.1.1t
IOS 15.2(4)EC1
Cisco IOS XE Software 17.12.4a
Cisco IOS XE Software 3.16.4dS
IOS 15.5(3)S6
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.19.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.12.4.18
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.21
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.18.2.5
Cisco IOS XE Software 17.1.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2
Cisco IOS XE Software 17.6.6a
IOS 15.2(8)E8
IOS 15.4(1)SY2
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3
IOS 15.6(2)SP4
IOS 15.2(5)E
IOS 15.5(3)M4
Cisco IOS XE Software 16.12.10
Cisco IOS XE Software 17.4.1a
IOS 15.2(4)EA9
Cisco Secure Firewall Threat Defense (FTD) Software 7.0.5
IOS 15.3(1)T1
IOS 15.2(4)S7
IOS 15.6(2)SN
IOS 15.3(2)S1
Cisco IOS XE Software 17.6.8
IOS 15.6(1)S1
IOS 15.5(2)T3
IOS 15.2(7)E13
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.4.22
IOS 15.5(1)S
IOS 15.9(3)M6b
IOS 15.3(3)M8
Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5.1
Cisco IOS XE Software 16.10.1
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.8.3.14
Cisco Secure Firewall Threat Defense (FTD) Software 6.2.3.13
IOS 15.2(2)JB3
IOS 15.5(1)SY4
IOS 15.3(3)S6
IOS 15.5(3)S3

Affected Packages

euvd cisco_ios_xe_software no fix
euvd cisco_secure_firewall_adaptive_security_appliance_asa_software no fix
euvd cisco_secure_firewall_threat_defense_ftd_software no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 3 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Vulnerability type: denial of service. CVSS 8.6 indicates high severity. Affects the Internet Key Exchange.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (cisco) PRIMARY 8.6 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Primary rating from Vendor (cisco) · only source for this CVE.

CVSS VectorVendor: cisco

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing of IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device. A successful exploit of Cisco IOS Software and IOS XE Software could allow the attacker to cause the affected device to reload, resulting in a DoS condition. A successful exploit of Cisco Secure Firewall ASA Software and Secure FTD Software could allow the attacker to partially exhaust system memory, resulting in system instability, such as the inability to establish new IKEv2 VPN sessions. A manual reboot of the device is required to recover from this condition.

Executive ViewAI

Why It Matters

A high-severity memory leak vulnerability in Cisco IKEv2 implementations poses denial-of-service risk to organizations operating Cisco routers, ASA firewalls, and Threat Defense appliances. Affected devices will either reload (IOS/IOS XE) or become unable to process new VPN connections (ASA/FTD) when exploited, potentially isolating remote users and disrupting business operations until manual intervention.

Business Impact: High
Compensating Controls

Implement access control lists (ACLs) to restrict IKEv2 traffic (UDP 500/4500) to known, trusted peer IP addresses and VPN concentrators only; disable IKEv2 where not operationally required and rely on IKEv1 where feasible; increase monitoring and alerting for unexpected device reloads and memory utilization spikes; maintain redundant VPN endpoints in geographically separate locations to enable failover; configure automatic failover to secondary firewalls/routers if available; ensure backup power and remote console access to enable rapid manual recovery during exploitation events.

Threat Intelligence Overview

EPSS Score
0.1%
Top 72% exploitable
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
High
Technical Impact
Partial

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +43
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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