Authorization bypass through user-controlled key in Microsoft BitLocker
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-20665 |
| CWE-ID | CWE-639 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Authorization bypass through user-controlled key
EUVDB-ID: #VU88427
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-20665
CWE-ID:
CWE-639 - Authorization Bypass Through User-Controlled Key
Exploit availability: No
DescriptionThe vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to authorization bypass through user-controlled key in BitLocker. An administrator with physical access can bypass Secure Boot.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2
Windows Server: 2012 - 2022 23H2
External linkshttp://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20665
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.
