SB2024041071 - Authorization bypass through user-controlled key in Microsoft BitLocker
Published: April 10, 2024
Security Bulletin ID
SB2024041071
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Physical access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authorization bypass through user-controlled key (CVE-ID: CVE-2024-20665)
CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key
CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The 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.
Remediation
Install update from vendor's website.