Cisco NX-OS Software VXLAN OAM DoS (cisco-sa-nxos-ngoam-dos-LTDb9Hv)

A denial of service DoS vulnerability exists in the VXLAN Operation, Administration, and Maintenance OAM feature of Cisco NX-OS Software, known as NGOAM, due to an improper handling of specific packets with a Transparent Interconnection of Lots of Links TRILL OAM EtherType. An unauthenticated,...

CVE-2021-1587 Cisco NX-OS Software VXLAN OAM (NGOAM) Denial of Service Vulnerability

A vulnerability in the VXLAN Operation, Administration, and Maintenance OAM feature of Cisco NX-OS Software, known as NGOAM, could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific...

CVE-2021-1587

Cisco NX-OS NGOAM Denial of Service (CVE-2021-1587) affects the VXLAN OAM feature. A remote, unauthenticated attacker can craft TRILL OAM EtherType packets (0x8902) sent within a VXLAN EVPN fabric to cause high CPU usage, resource exhaustion, and potential control plane instability leading to a d...