CVE-2025-21213

MEDIUMCVSS 4.6/10EPSS 0.70%

Last modified

CVE-2025-21213 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. Secure Boot Security Feature Bypass Vulnerability. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

Secure Boot Security Feature Bypass Vulnerability

Metrics

CVSS 3.1
4.6/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
0.70%

48.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.20890
MicrosoftWindows 10 1607< 10.0.14393.7699
MicrosoftWindows 10 1809< 10.0.17763.6775
MicrosoftWindows 10 21h2< 10.0.19044.5371
MicrosoftWindows 10 22h2< 10.0.19045.5371
MicrosoftWindows 11 22h2< 10.0.22621.4751
MicrosoftWindows 11 23h2< 10.0.22631.4751
MicrosoftWindows 11 24h2< 10.0.26100.2894
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.7699
MicrosoftWindows Server 2019< 10.0.17763.6775
MicrosoftWindows Server 2022< 10.0.20348.3091
MicrosoftWindows Server 2022 23h2< 10.0.25398.1369
MicrosoftWindows Server 2025< 10.0.26100.2894

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-21213?
Secure Boot Security Feature Bypass Vulnerability
How severe is CVE-2025-21213?
CVE-2025-21213 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2025-21213?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21213?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST