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.
CVSS 3.1 · 4.7 Medium
EPSS < 1%
KEV · Not listed
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