CVE-2013-1144: Cisco IOS

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Memory leak in the IKEv1 implementation in Cisco IOS 15.1 allows remote attackers to cause a denial of service (memory consumption) via unspecified (1) IPv4 or (2) IPv6 IKE packets, aka Bug ID CSCth81055.

Affected products

• Cisco IOS: version 15.1 only

Published 2013-03-28. Last modified 2026-06-16.