Main Vulnerability Database Vulnerabilities #VU54819

Spoofing attack in Windows and Windows Server - CVE-2021-34492

Published: July 13, 2021

Vulnerability identifier: #VU54819

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2021-34492

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Microsoft

Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform spoofing attack.

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

Install updates from vendor's website.