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CVE-2023-21563

MEDIUMCVSS 6.8/10EPSS 1.55%

Last modified

CVE-2023-21563 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. BitLocker Security Feature Bypass Vulnerability. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

BitLocker Security Feature Bypass Vulnerability

Metrics

CVSS 3.1
6.8/10

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

EPSS Probability
1.55%

71.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10 1607All versions—
MicrosoftWindows 10 1809All versions—
MicrosoftWindows 10 20h2All versions—
MicrosoftWindows 10 21h2All versions—
MicrosoftWindows 10 22h2All versions—
MicrosoftWindows 11 21h2All versions—
MicrosoftWindows 11 22h2All versions—
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8.1All versions—
MicrosoftWindows Rt 8.1All versions—
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2008r2Sp1
MicrosoftWindows Server 2012All versions—
MicrosoftWindows Server 2012r2—
MicrosoftWindows Server 2016All versions—
MicrosoftWindows Server 2019All versions—
MicrosoftWindows Server 2022All versions—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-21563?
BitLocker Security Feature Bypass Vulnerability
How severe is CVE-2023-21563?
CVE-2023-21563 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21563?
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-2023-21563?

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

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Source: NVD / NIST