What is the CVSS score of CVE-2014-2176?

CVE-2014-2176 has a CVSS 2.0 base score of 7.1 (High). CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C. EPSS exploitation probability: 0.8%.

Ios Xr CVE-2014-2176

HIGH

Resource Management Errors (CWE-399)

2014-06-14 psirt@cisco.com

Denial Of Service Apple Cisco Ios Xr Asr 9001 Asr 9006 Asr 9010 Asr 9904 Asr 9912 Asr 9922

7.1

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-399
Impact	CVSS score of 7.1 (HIGH). Attack characteristics: network attack vector, M complexity. EPSS exploitation probability: 0.82%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. 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-399. Cisco IOS XR 4.1.2 through 5.1.1 on ASR 9000 devices, when a Trident-based line card is used, allows remote attackers to cause a denial of service (NP chip and line card reload) via malformed IPv6 packets, aka Bug ID CSCun71928. Affected products include: Cisco Ios Xr, Cisco Asr 9001, Cisco Asr 9006, Cisco Asr 9010, Cisco Asr 9904. Version information: through 5.1.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.1 HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Confidentiality

None

Integrity

None

Availability

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.8%

Top 26% 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 HIGH

CISA KEV No

Public POC No

EPSS 0.8%

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· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

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

Affected Products (CPE)CVE.org

cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*

cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*

cpe:2.3:o:cisco:ios_xr:4.3.1:*:*:*:*:*:*:*

cpe:2.3:o:cisco:ios_xr:5.1.0:*:*:*:*:*:*:*

cpe:2.3:o:cisco:ios_xr:5.1.1:*:*:*:*:*:*:*

cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:*

cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:*

cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:*

cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:*

cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:*

cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140611-ipv6 REF http://secunia.com/advisories/58722 REF http://www.securityfocus.com/bid/68005 REF http://www.securitytracker.com/id/1030400

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