CVE-2013-5478: Cisco IOS

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

Cisco IOS 15.0 through 15.3 and IOS XE 3.2 through 3.8, when a VRF interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via crafted UDP RSVP packets, aka Bug ID CSCuf17023.

Affected products

• Cisco IOS: version 15.0 only; version 15.1 only; version 15.2 only; version 15.3 only
• Cisco IOS XE: version 3.2.00.xo.15.0(2)xo only; version 3.2.0s only; version 3.2.0sg only; version 3.2.0xo only; version 3.2.1s only; version 3.2.1sg only; …

Published 2013-09-27. Last modified 2026-06-16.