Code Injection in Windows Server - CVE-2021-33754

 

Code Injection in Windows Server - CVE-2021-33754

Published: July 13, 2021


Vulnerability identifier: #VU54740
CSH Severity: Medium
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-33754
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 Windows DNS Server. A remote authenticated 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

Windows Server

How to mitigate CVE-2021-33754

Install updates from vendor's website.


External References

Related Security Bulletins