Cisco Catalyst 6840-X Firmware vulnerabilities

1 known vulnerability affecting cisco/catalyst_6840-x_firmware.

Total CVEs

1

CISA KEV

0

Public exploits

0

Exploited in wild

0

Severity breakdown

MEDIUM1

Vulnerabilities

Page 1 of 1

CVE-2021-27853MEDIUMCVSS 4.7v15.5\(01.01.85\)sy072022-09-27

CVE-2021-27853 [MEDIUM] CWE-290 CVE-2021-27853: Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using 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.