The vulnerability affects the implementation of the multi-protocol border gateway protocol (MP-BGP) for L2VPN and Ethernet VPN (EVPN) in Cisco IOS and Cisco IOS XE operating systems. This vulnerability allows a attacker to cause service interruptions.

The vulnerability of the MP-BGP protocol for L2VPN and Ethernet VPN EVPN in Cisco IOS and Cisco IOS XE operating systems is related to errors in processing BGP update messages. Exploiting this vulnerability can allow a malicious actor to cause service failures...