SB2023011113 - Security features bypass in Microsoft Windows Boot Manager



SB2023011113 - Security features bypass in Microsoft Windows Boot Manager

Published: January 11, 2023

Security Bulletin ID SB2023011113
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Security features bypass (CVE-ID: CVE-2023-21560)

CWE-ID: CWE-254 - Security Features

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


The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to security features bypass in Windows Boot Manager. An authenticated attacker with physical access can bypass the BitLocker Device Encryption feature and gain access to encrypted data.


Remediation

Install update from vendor's website.