CVE-2021-27853
UNKNOWN
Published 2022-09-27T17:55:09.203Z
Actions:
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CVSS Score
V3.1
4.7
/10
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A
Impact: N/A
EPSS Score
v2025.03.14
0.000
probability
of exploitation in the wild
There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.
Updated: 2025-06-25
Exploit Probability
Percentile: 0.030
Higher than 3.0% of all CVEs
Attack Vector Metrics
Impact Metrics
Description
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.
Available Exploits
No exploits available for this CVE.
Related News
No news articles found for this CVE.
Affected Products
Affected Versions:
Affected Versions:
GitHub Security Advisories
Community-driven vulnerability intelligence from GitHub
⚠ Unreviewed
MODERATE
GHSA-v8jg-p3fp-g968
Advisory Details
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 Scoring
CVSS Score
5.0
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
References
Advisory provided by GitHub Security Advisory Database. Published: September 28, 2022, Modified: May 21, 2025
References
Published: 2022-09-27T17:55:09.203Z
Last Modified: 2025-05-21T15:27:39.621Z
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