ID:7038 - Exploit for Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-43890

 
Main Vulnerability Database Exploits ID:7038 - Exploit for Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-43890

ID:7038 - Exploit for Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-43890

Published: November 25, 2021


Vulnerability identifier: #VU58367
Vulnerability risk: High
CVE-ID: CVE-2021-43890
CWE-ID: CWE-264
Exploitation vector: Local access
Vulnerable software:
Windows
Windows Server

Link to public exploit:


Vulnerability description

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

The vulnerability exists due to incorrect permissions in windows installer service. A local user can run a specially crafted program to execute arbitrary code with SYSTEM privileges.

The vulnerability exists due to incomplete patch for #VU58061 (CVE-2021-41379).

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.