What’s Vulnerable › Vulnerabilities

CVE-2014-2143

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-04-04 · updated 2026-06-17

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.

Affected products

• Cisco IOS: through 15.4\(1\)t; 15.0, 15.0(1)se, 15.1, 15.2, 15.3, 15.3(2)s (+6)
• Cisco IOS XE: all versions

References

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2143
• http://tools.cisco.com/security/center/viewAlert.x?alertId=33639
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-2143
• http://tools.cisco.com/security/center/viewAlert.x?alertId=33639

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