CVE-2013-1121

Name of the Vulnerable Software and Affected Versions Cisco NX-OS (affected versions not specified)

Description The issue is related to the regex engine in the BGP implementation, which can cause a denial of service (device reload) when a complex regular expression is configured for inbound routes. An unauthenticated, remote attacker can exploit this by injecting specific autonomous system (AS) path sets, potentially triggering the device to restart.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.