Spoofing attack in Windows and Windows Server - CVE-2021-36959

 

Spoofing attack in Windows and Windows Server - CVE-2021-36959

Published: September 14, 2021 / Updated: September 15, 2021


Vulnerability identifier: #VU56582
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-36959
CWE-ID: CWE-451
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local user to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in Windows Authenticode. A local user can spoof page content.


How to mitigate CVE-2021-36959

Install updates from vendor's website.

Sources