CVE-2012-5427: Cisco IOS

Medium severity, CVSS 4.0. EPSS: 1% chance of exploitation in the next 30 days.

Cisco IOS Unified Border Element (CUBE) in Cisco IOS before 15.3(2)T allows remote authenticated users to cause a denial of service (input queue wedge) via a crafted series of RTCP packets, aka Bug ID CSCuc42518.

Affected products

• Cisco IOS: up to and including 15.3\(2\)s; version 15.3 only

Published 2014-04-23. Last modified 2026-06-16.