CVE-2014-2113: Cisco IOS

High severity, CVSS 7.8. EPSS: 2% chance of exploitation in the next 30 days.

Cisco IOS 15.1 through 15.3 and IOS XE 3.3 and 3.5 before 3.5.2E; 3.7 before 3.7.5S; and 3.8, 3.9, and 3.10 before 3.10.2S allow remote attackers to cause a denial of service (I/O memory consumption and device reload) via a malformed IPv6 packet, aka Bug ID CSCui59540.

Affected products

• Cisco IOS: version 15.1 only; version 15.2 only; version 15.3 only
• Cisco IOS XE: version 3.3.0s only; version 3.3.0sg only; version 3.3.1s only; version 3.3.1sg only; version 3.3.2s only; version 3.3.3s only; …

Published 2014-03-27. Last modified 2026-06-17.