Cisco Nexus 9000 Series Fabric Switches ACI Mode Link Layer Discovery Protocol Port Denial of Service (CVE-2021-1231)

A vulnerability in the Link Layer Discovery Protocol LLDP for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable SFP interface. This vulnerability is due to...

CVE-2021-1231

A vulnerability in the Link Layer Discovery Protocol LLDP for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure ACI mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable SFP interface. This vulnerability is due to...

CVE-2021-1231

Cisco Nexus 9000 Series Fabric Switches in ACI mode are affected by CVE-2021-1231 due to incomplete validation of the LLDP source, enabling an unauthenticated adjacent attacker to disable switching on an SFP interface and disrupt traffic. Affected components are LLDP handling on Nexus 9000 device...