All the vulnerabilites related to IETF - P802.1Q
var-202209-1859
Vulnerability from variot

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. Layer-2 (L2) network security controls provided by various devices, such as switches, routers, and operating systems, can be bypassed by stacking Ethernet protocol headers. An attacker can send crafted packets through vulnerable devices to cause Denial-of-service (DoS) or to perform a man-in-the-middle (MitM) attack against a target network.CVE-2021-27853 Affected CVE-2021-27854 Affected CVE-2021-27861 Affected CVE-2021-27862 AffectedCVE-2021-27853 Affected CVE-2021-27854 Affected CVE-2021-27861 Affected CVE-2021-27862 Affected. IEEE of ieee 802.2 Products from multiple other vendors contain vulnerabilities related to authentication bypass through spoofing.Information may be tampered with

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cve-2021-27853
Vulnerability from cvelistv5
Published
2022-09-27 17:55
Modified
2024-09-16 19:30
Severity ?
Summary
L2 network filtering can be bypassed using stacked VLAN0 and LLC/SNAP headers
Impacted products
Vendor Product Version
IETF draft-ietf-v6ops-ra-guard Version: 08   <
IETF P802.1Q Version: D1.0   <
Show details on NVD website


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cve-2021-27862
Vulnerability from cvelistv5
Published
2022-09-27 18:40
Modified
2024-09-16 20:43
Severity ?
Summary
L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with an invalid length during Ethernet to Wifi frame translation
Impacted products
Vendor Product Version
IETF draft-ietf-v6ops-ra-guard-08 Version: 08   <
Show details on NVD website


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cve-2021-27861
Vulnerability from cvelistv5
Published
2022-09-27 18:40
Modified
2024-09-16 16:47
Severity ?
Summary
L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with invalid lengths
Impacted products
Vendor Product Version
IETF draft-ietf-v6ops-ra-guard Version: 08   <
IETF P802.1Q Version: D1.0   <
Show details on NVD website


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cve-2021-27854
Vulnerability from cvelistv5
Published
2022-09-27 18:40
Modified
2024-09-17 02:06
Severity ?
Summary
L2 network filtering bypass using stacked VLAN0, LLC/SNAP headers, and Ethernet to Wifi frame translation
Impacted products
Vendor Product Version
IETF draft-ietf-v6ops-ra-guard Version: 08   <
IEEE 802.2 Version: 802.2h-1997   <
Show details on NVD website


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