P802.1Q
IETF
- Product type
- Other
- Catalog vulnerabilities
- 4
Severity across 3 analyzed records
Verify to analyze this security profile
- Products & ServicesProducts & Services
- SolutionsSolutions
- PricingPricing
- CompanyCompany
- ResourcesResources
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As of 09/17/2026, within CyStack's analyzed data, P802.1Q has 0 security vulnerabilities published in the last 90 days. Of these, 0 are rated High or Critical. None of these vulnerabilities is listed in the CISA KEV catalog. CyStack recommends that organizations and individual users remediate applicable vulnerabilities as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of P802.1Q and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
Explore CyStack VulnScan| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2021-27862L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with an invalid length during Ethernet to Wifi frame translation | Exploitation statusNot known exploited | FixNot confirmed | Published09/27/2022 | SeverityMedium |
CVE-2021-27861L2 network filtering bypass using stacked VLAN0 and LLC/SNAP headers with invalid lengths | Exploitation statusNot known exploited | FixNot confirmed | Published09/27/2022 | SeverityMedium |
CVE-2021-27854L2 network filtering bypass using stacked VLAN0, LLC/SNAP headers, and Ethernet to Wifi frame translation | Exploitation statusNot known exploited | FixNot confirmed | Published09/27/2022 | SeverityMedium |
CVE-2021-27853L2 network filtering can be bypassed using stacked VLAN0 and LLC/SNAP headers | Exploitation statusNot known exploited | FixNot confirmed | Published09/27/2022 | SeverityMedium |
