SB2021051127 - Privilege escalation in Microsoft Windows Container Isolation FS Filter Driver



SB2021051127 - Privilege escalation in Microsoft Windows Container Isolation FS Filter Driver

Published: May 11, 2021

Security Bulletin ID SB2021051127
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 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-31190)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Container Isolation FS Filter Driver, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.