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Vulnerability Assessment

Weakness
CWE
CWE-284
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.11%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAI

Incomplete blacklist vulnerability in the Configuration utility in F5 BIG-IP LTM, Analytics, APM, ASM, GTM, Link Controller, and PSM 11.x before 11.2.1 HF11, 11.3.x, 11.4.0 before HF8, and 11.4.1. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-284. Incomplete blacklist vulnerability in the Configuration utility in F5 BIG-IP LTM, Analytics, APM, ASM, GTM, Link Controller, and PSM 11.x before 11.2.1 HF11, 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; BIG-IP AAM 11.4.0 before HF8 and 11.4.1 before HF6; BIG-IP AFM and PEM 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; and BIG-IP Edge Gateway, WebAccelerator, and WOM 11.x before 11.2.1 HF11 and 11.3.0 allows remote authenticated users to upload files via uploadImage.php. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager. Version information: before 11.2.1.

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

Incomplete blacklist vulnerability in the Configuration utility in F5 BIG-IP LTM, Analytics, APM, ASM, GTM, Link Controller, and PSM 11.x before 11.2.1 HF11, 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; BIG-IP AAM 11.4.0 before HF8 and 11.4.1 before HF6; BIG-IP AFM and PEM 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; and BIG-IP Edge Gateway, WebAccelerator, and WOM 11.x before 11.2.1 HF11 and 11.3.0 allows remote authenticated users to upload files via uploadImage.php.

Threat Intelligence Overview

EPSS Score
0.1%
Top 71% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:f5:big-ip_access_policy_manager:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.0.0:*:*:*:*:*:*:*
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References

Advisories & patches
ADVISORY https://support.f5.com/kb/en-us/solutions/public/k/49/sol49580002.html REF http://www.securityfocus.com/bid/82340 REF http://www.securitytracker.com/id/1034781

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