#VU55140 Improper access control in Windows and Windows Server - CVE-2021-36934

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Main Vulnerability Database Vulnerabilities #VU55140

#VU55140 Improper access control in Windows and Windows Server - CVE-2021-36934

Published: July 21, 2021 / Updated: August 23, 2023


Vulnerability identifier: #VU55140
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-36934
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

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

The vulnerability exists due to overly permissive Access Control Lists (ACLs) on multiple system files, including the Security Accounts Manager (SAM) database. A local user can run arbitrary code with SYSTEM privileges.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links