VULNERABILITY INTELLIGENCE

CVE-2012-4097

CVSS score4.3 MEDIUM

EPSS probability1.54%

CISA KEVNot currently listed

Published2013-10-14

Last modified2026-06-16

Description

The BGP implementation in Cisco NX-OS does not properly filter segment types in AS paths, which allows remote attackers to cause a denial of service (BGP service reset) via a malformed UPDATE message, aka Bug ID CSCtn13043.