Unrated severityNVD Advisory· Published Sep 19, 2013· Updated Jun 16, 2026
CVE-2013-1121
CVE-2013-1121
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:cisco:nx-os:-:*:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
1News mentions
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