Total
4 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2021-27853 | 3 Cisco, Ieee, Ietf | 308 Catalyst 3650-12x48fd-e, Catalyst 3650-12x48fd-l, Catalyst 3650-12x48fd-s and 305 more | 2023-12-10 | N/A | 4.7 MEDIUM |
| 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. | |||||
| CVE-2021-27861 | 2 Ieee, Ietf | 2 Ieee 802.2, P802.1q | 2023-12-10 | N/A | 4.7 MEDIUM |
| Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers) | |||||
| CVE-2021-27854 | 2 Ieee, Ietf | 2 Ieee 802.2, P802.1q | 2023-12-10 | N/A | 4.7 MEDIUM |
| Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse. | |||||
| CVE-2021-27862 | 2 Ieee, Ietf | 2 Ieee 802.2, P802.1q | 2023-12-10 | N/A | 4.7 MEDIUM |
| 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). | |||||