SB2020021163 - Security feature bypass in Microsoft Secure Boot



SB2020021163 - Security feature bypass in Microsoft Secure Boot

Published: February 11, 2020

Security Bulletin ID SB2020021163
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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 (CVE-ID: CVE-2020-0689)

CWE-ID: CWE-254 - Security Features

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


This vulnerability allows a local attacker to bypass security rescritions feature.

The vulnerability exists due to an error in secure boot. A local user can run a specially crafted application, bypass secure boot and load untrusted software.


Remediation

Install update from vendor's website.