CVE-2021-27853 (GCVE-0-2021-27853)
Vulnerability from cvelistv5
Published
2022-09-27 17:55
Modified
2025-11-04 19:12
Severity ?
4.7 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Summary
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.
References
Impacted products
Vendor Product Version
IEEE 802.2 Version: 802.2h-1997   <
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