CVE-2014-2143
CVE-2014-2143 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Ios
- Published:
- Last modified:
Description
The IKE implementation in Cisco IOS 15.4(1)T and earlier and IOS XE allows remote attackers to cause a denial of service (security-association drop) via crafted Main Mode packets, aka Bug ID CSCun31021.
Frequently asked questions
- What is CVE-2014-2143?
- The IKE implementation in Cisco IOS 15.4(1)T and earlier and IOS XE allows remote attackers to cause a denial of service (security-association drop) via crafted Main Mode packets, aka Bug ID CSCun31021.
- How severe is CVE-2014-2143?
- CVE-2014-2143 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2014-2143 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-2143?
- CVE-2014-2143 primarily affects Cisco Ios. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-2143?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2014-2143 published?
- CVE-2014-2143 was published on 2014-04-04 and last updated on 2026-06-17.
References
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2143
- http://tools.cisco.com/security/center/viewAlert.x?alertId=33639
Affected products (14)
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.0\(1\)se:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(2\)s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)m:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)m1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)m2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:-:*:*:*:*:*:*:*
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