Vulnerability identifier: #VU56587
Vulnerability risk: Low
CVSSv4.0: 1.7 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-254
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a local attacker to bypass authentication process.
The vulnerability exists due to security feature bypass issue in BitLocker. An attacker with physical access can bypass the BitLocker Device Encryption feature on the system storage device and gain access to encrypted data.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 10 20H2 10.0.19042.572, 10 21H1 10.0.19043.985, 10 1607 10.0.14393.10, 10 1809 10.0.17763.1, 10 1909 10.0.18363.476, 10 2004 10.0.19041.264
Windows Server: 2016 10.0.14393.10, 2019 10.0.17763.1 - 2019 2004
External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38632
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.