Actively exploited · Published Jan 11, 2022 · Assigned by microsoft
CVE-2022-21894Secure Boot Security Feature Bypass Vulnerability
Medium 4.4
In plain English
A medium-severity incorrect authorization in Windows 10 Version 1507 from Microsoft. CISA's analysis reports active exploitation. The chance it is exploited in the next 30 days is estimated at 9.1% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)9.1%top 4.7% of all CVEs
Exploited in the wildYesCISA SSVC: active
Attack tooling1Public PoC
Official description
Secure Boot Security Feature Bypass Vulnerability
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – before 10.0.17763.2452 |
| Microsoft | Windows 10 Version 1809 | 10.0.0 – before 10.0.17763.2452 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – before 10.0.17763.2452 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – before 10.0.17763.2452 |
| Microsoft | Windows 10 Version 1909 | 10.0.0 – before 10.0.18363.2037 |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 – before 10.0.19043.1466 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – before 10.0.20348.469 |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 – before 10.0.19042.1466 |
| Microsoft | Windows Server version 20H2 | 10.0.0 – before 10.0.19042.1466 |
| Microsoft | Windows 11 version 21H2 | 10.0.0 – before 10.0.22000.434 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 – before 10.0.19044.1466 |
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 – before 10.0.10240.19177 |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 – before 10.0.14393.4886 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – before 10.0.14393.4886 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – before 10.0.14393.4886 |
| Microsoft | Windows 8.1 | 6.3.0 – before 6.3.9600.20246 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 – before 6.2.9200.23584 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 – before 6.2.9200.23584 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – before 6.3.9600.20246 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 – before 6.3.9600.20246 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
References
- Secure Boot Security Feature Bypass Vulnerability vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21894 x_refsource_MISC, x_transferred