Multiple vulnerabilities in Microsoft Windows BitLocker

Published: 2025-01-14 | Updated: 2025-03-10

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-21210 CVE-2025-21214
CWE-ID	CWE-636 CWE-200
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Not Failing Securely ('Failing Open')

EUVDB-ID: #VU102699

Risk: Low

CVSSv4.0: 0.6 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-21210

CWE-ID: CWE-636 - Not Failing Securely (\'Failing Open\')

Exploit availability: No

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Windows BitLocker. An attacker with physical access can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 21H2 10.0.19041.3920 - 11 24H2 10.0.26100.2894

Windows Server: 2008 R2 6.1.7601.27117 - 2025 10.0.26100.2605

CPE2.3

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-21210

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU102700