CVE-2012-4098

CVE-2012-4098 describes a denial-of-service vulnerability in the BGP implementation of Cisco NX-OS. A remote attacker can exploit this flaw by sending a malformed BGP UPDATE message, leading to a BGP service reset and resynchronization on affected devices. With a CVSS score of 5.0 (medium severity), this vulnerability has a low attack complexity and no authentication required, but only impacts availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.