CVE-2021-27853 — L2 network filtering can be bypassed using stacked VLAN0 and LLC/SNAP headers
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.
Published: 2022-09-27 · CVSS: 4.7 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7