VULNERABILITY INTELLIGENCE

CVE-2013-1121

CVSS score5.4 MEDIUM
EPSS probability1.06%
CISA KEVNot currently listed
Published2013-09-19
Last modified2026-06-16
CVSS vectorAV:N/AC:H/Au:N/C:N/I:N/A:C

Description

The regex engine in the BGP implementation in Cisco NX-OS, when a complex regular expression is configured for inbound routes, allows remote attackers to cause a denial of service (device reload) via a crafted AS path set, aka Bug ID CSCuf49554.

Primary references