GCVE - cpe:2.3:a:ieee:802.2:*:*:*:*:*:*:*:*

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cpe:2.3:a:ieee:802.2:*:*:*:*:*:*:*:*

part: a version: * update: *

Vendor	Ieee (`ff0678ec-9ec4-5cd5-a66a-8c3fde0bf398`)
Product	802.2 (`bcd540df-706d-5173-93c5-b1be7d4c2e75`)
Edition	*
Language	*
Software edition	*
Target software	*
Target hardware	*
Other	*
Notes	Imported from gcve-enriched-dumps CVE data

PURL mappings

PURL	Source	Last updated
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Vulnerability references

Identifier	cpeApplicability	Submitted	db.gcve.eu details	Rationale
`CVE:CVE-2021-27862`	vulnerable	2026-06-08 05:31:22.616184	L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with an invalid length during Ethernet to Wifi frame translation 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). Published: 2022-09-27T18:40:14.712Z Updated: 2025-11-04T19:12:28.789Z Open on db.gcve.eu Reference links https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/ https://standards.ieee.org/ieee/802.2/1048/ https://kb.cert.org/vuls/id/855201 https://blog.champtar.fr/VLAN0_LLC_SNAP/	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-27861`	vulnerable	2026-06-08 05:31:22.615605	L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with invalid lengths Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers) Published: 2022-09-27T18:40:13.742Z Updated: 2025-11-04T19:12:27.712Z Open on db.gcve.eu Reference links https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/ https://standards.ieee.org/ieee/802.2/1048/ https://standards.ieee.org/ieee/802.1Q/10323/ https://kb.cert.org/vuls/id/855201 https://blog.champtar.fr/VLAN0_LLC_SNAP/	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-27854`	vulnerable	2026-06-08 05:31:22.497172	L2 network filtering bypass using stacked VLAN0, LLC/SNAP headers, and Ethernet to Wifi frame translation 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. Published: 2022-09-27T18:40:12.738Z Updated: 2025-11-04T19:12:26.598Z Open on db.gcve.eu Reference links https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/ https://standards.ieee.org/ieee/802.2/1048/ https://standards.ieee.org/ieee/802.1Q/10323/ https://kb.cert.org/vuls/id/855201 https://blog.champtar.fr/VLAN0_LLC_SNAP/	Imported from gcve-enriched-dumps CVE data
`CVE:CVE-2021-27853`	vulnerable	2026-06-08 05:31:22.265335	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: 2022-09-27T17:55:09.203Z Updated: 2025-11-04T19:12:25.432Z Open on db.gcve.eu Reference links https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/ https://standards.ieee.org/ieee/802.2/1048/ https://standards.ieee.org/ieee/802.1Q/10323/ https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-VU855201-J3z8CKTX https://kb.cert.org/vuls/id/855201	Imported from gcve-enriched-dumps CVE data

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