Code Injection in Microsoft Windows and Windows Server - CVE-2021-34521

 

Code Injection in Microsoft Windows and Windows Server - CVE-2021-34521

Published: July 13, 2021


Vulnerability identifier: #VU54817
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34521
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the Raw Image Extension. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2021-34521

Install updates from vendor's website.


External References

Related Security Bulletins