CVE-2012-4098: Cisco NX-OS

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055.

Affected products

• Cisco NX-OS: affected versions not specified

Published 2013-10-05. Last modified 2026-06-16.