P802.1q

CVEs (4)

CVE	Vendor / Product	Sev	Risk	CVSS	EPSS	Published	Description
CVE-2021-27862	Ieee Ieee 802.2	Med	0.31	4.7	0.01	Sep 27, 2022	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).
CVE-2021-27861	Ieee Ieee 802.2	Med	0.31	4.7	0.01	Sep 27, 2022	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	Ieee Ieee 802.2	Med	0.31	4.7	0.01	Sep 27, 2022	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-2021-27853	Cisco Systems, Inc. Layer 2 network filtering	Med	0.31	4.7	0.01	Sep 27, 2022	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-2021-27862MedSep 27, 2022
Ieee
Ieee 802.2
risk 0.31cvss 4.7epss 0.01
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).
CVE-2021-27861MedSep 27, 2022
Ieee
Ieee 802.2
risk 0.31cvss 4.7epss 0.01
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-2021-27854MedSep 27, 2022
Ieee
Ieee 802.2
risk 0.31cvss 4.7epss 0.01
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-2021-27853MedSep 27, 2022
Cisco Systems, Inc.
Layer 2 network filtering
risk 0.31cvss 4.7epss 0.01
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.