Main Vulnerability Database Vulnerabilities #VU52167

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2021-28320

Published: April 13, 2021

Vulnerability identifier: #VU52167

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-28320

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

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 Resource Manager PSM Service Extension, which leads to security restrictions bypass and privilege escalation.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-28320

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28320

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