CVE-2012-5039: Cisco IOS

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

The BGP Router process in Cisco IOS before 12.2(50)SY1 allows remote attackers to cause a denial of service (memory consumption) via vectors involving BGP path attributes, aka Bug ID CSCsw63003.

Affected products

• Cisco IOS: up to and including 12.2\(50\)sy

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