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/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows 10 1607 | All versions | — |
| Microsoft | Windows 10 1809 | All versions | — |
| Microsoft | Windows 10 20h2 | All versions | — |
| Microsoft | Windows 10 21h2 | All versions | — |
| Microsoft | Windows 10 22h2 | All versions | — |
| Microsoft | Windows 11 21h2 | All versions | — |
| Microsoft | Windows 11 22h2 | All versions | — |
| Microsoft | Windows 7 | All versions | Sp1 |
| Microsoft | Windows 8.1 | All versions | — |
| Microsoft | Windows Rt 8.1 | All versions | — |
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | All versions | — |
| Microsoft | Windows Server 2019 | All versions | — |
| Microsoft | Windows Server 2022 | All 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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
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- CVE-2023-2156A flaw was found in the networking subsystem of the Linux ke…7.5
- CVE-2023-21560Windows Boot Manager Security Feature Bypass Vulnerability6.6
- CVE-2023-21561Microsoft Cryptographic Services Elevation of Privilege Vuln…7.8
- CVE-2023-21564Azure DevOps Server Cross-Site Scripting Vulnerability7.1
- CVE-2023-21565Azure DevOps Server Spoofing Vulnerability7.1
- CVE-2023-21566Visual Studio Elevation of Privilege Vulnerability7.8
- CVE-2023-21567Visual Studio Denial of Service Vulnerability5.6
- CVE-2023-21568Microsoft SQL Server Integration Service (VS extension) Remo…7.3
- CVE-2023-21569Azure DevOps Server Spoofing Vulnerability5.5
Are you affected by CVE-2023-21563?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST