CVE-2013-1148: Cisco IOS

High severity, CVSS 7.8. EPSS: 2.2% chance of exploitation in the next 30 days.

The General Responder implementation in the IP Service Level Agreement (SLA) feature in Cisco IOS 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S allows remote attackers to cause a denial of service (device reload) via crafted (1) IPv4 or (2) IPv6 IP SLA packets on UDP port 1167, aka Bug ID CSCuc72594.

Affected products

• Cisco IOS: version 15.2 only
• Cisco IOS XE: version 3.1.0s only; version 3.1.1s only; version 3.1.2s only; version 3.1.3s only; version 3.1.4s only; version 3.2.0s only; …

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