Cisco Catalyst 6840 X vulnerabilities

1 vulnerability

Known vulnerabilities in Cisco Catalyst 6840 X, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

4.7CVE-2021-27853ciscocatalyst_6503-e_firmware+97
EPSS score
0.81%
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.