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 incomplete validation of the source of a received LLDP packet. An attacker could exploit this vulnerability by sending a crafted LLDP packet on an SFP interface to an affected device. A successful exploit could allow the attacker to disable switching on the SFP interface, which could disrupt network traffic.

• cisco nx-os 11.0\(1b\) • cisco nx-os 11.0\(1c\) • cisco nx-os 11.0\(1d\) • cisco nx-os 11.0\(1e\) • cisco nx-os 11.0\(2j\) • cisco nx-os 11.0\(2m\) • cisco nx-os 11.0\(3f\) • cisco nx-os 11.0\(3i\) • cisco nx-os 11.0\(3k\) • cisco nx-os 11.0\(3n\) • cisco nx-os 11.0\(3o\) • cisco nx-os 11.0\(4g\) • cisco nx-os 11.0\(4h\) • cisco nx-os 11.0\(4o\) • cisco nx-os 11.0\(4q\) • cisco nx-os 11.1\(1j\) • cisco nx-os 11.1\(1o\) • cisco nx-os 11.1\(1r\) • cisco nx-os 11.1\(1s\) • cisco nx-os 11.1\(2h\) • cisco nx-os 11.1\(2i\) • cisco nx-os 11.1\(3f\) • cisco nx-os 11.1\(4e\) • cisco nx-os 11.1\(4f\) • cisco nx-os 11.1\(4g\) • cisco nx-os 11.1\(4i\) • cisco nx-os 11.1\(4l\) • cisco nx-os 11.1\(4m\) • cisco nx-os 11.2\(1i\) • cisco nx-os 11.2\(1k\) • cisco nx-os 11.2\(1m\) • cisco nx-os 11.2\(2g\) • cisco nx-os 11.2\(2h\) • cisco nx-os 11.2\(2i\) • cisco nx-os 11.2\(2j\) • cisco nx-os 11.2\(3c\) • cisco nx-os 11.2\(3e\) • cisco nx-os 11.2\(3h\) • cisco nx-os 11.2\(3m\) • cisco nx-os 11.3\(1g\) • cisco nx-os 11.3\(1h\) • cisco nx-os 11.3\(1i\) • cisco nx-os 11.3\(1j\) • cisco nx-os 11.3\(2f\) • cisco nx-os 11.3\(2h\) • cisco nx-os 11.3\(2i\) • cisco nx-os 11.3\(2j\) • cisco nx-os 11.3\(2k\) • cisco nx-os 12.0\(1m\) • cisco nx-os 12.0\(1n\) • cisco nx-os 12.0\(1o\) • cisco nx-os 12.0\(1p\) • cisco nx-os 12.0\(1q\) • cisco nx-os 12.0\(1r\) • cisco nx-os 12.0\(2f\) • cisco nx-os 12.0\(2g\) • cisco nx-os 12.0\(2h\) • cisco nx-os 12.0\(2l\) • cisco nx-os 12.0\(2m\) • cisco nx-os 12.0\(2n\) … and 104 more