CVE-2021-27862

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).
Configurations

Configuration 1 (hide)

cpe:2.3:a:ieee:ieee_802.2:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:ietf:p802.1q:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-09-27 19:15

Updated : 2024-02-28 19:29


NVD link : CVE-2021-27862

Mitre link : CVE-2021-27862

CVE.ORG link : CVE-2021-27862


JSON object : View

Products Affected

ietf

  • p802.1q

ieee

  • ieee_802.2
CWE
CWE-290

Authentication Bypass by Spoofing

CWE-130

Improper Handling of Length Parameter Inconsistency