Cisco Nexus 9000 Series Fabric Switches ACI Mode BGP Route Installation Denial of Service (CVE-2021-1230)

A vulnerability with the Border Gateway Protocol BGP for Cisco Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, remote attacker to cause a routing process to crash, which could lead to a denial of service DoS condition. This...

CVE-2021-1230

The CVE-2021-1230 issue affects Cisco Nexus 9000 Series Fabric Switches in ACI mode, where a crafted BGP update can crash the routing process (IBGP/EBGP), causing DoS. Exploitation requires an unauthenticated, remote attacker sending a specific BGP update over a TCP connection from a trusted peer...