CVE-2013-5548: Cisco IOS

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

The IKEv2 implementation in Cisco IOS, when AES-GCM or AES-GMAC is used, allows remote attackers to bypass certain IPsec anti-replay features via IPsec tunnel traffic, aka Bug ID CSCuj47795.

Affected products

• Cisco IOS: affected versions not specified

Published 2013-11-01. Last modified 2026-06-16.