Code Injection in Windows Server - CVE-2021-40469

 

Code Injection in Windows Server - CVE-2021-40469

Published: October 12, 2021


Vulnerability identifier: #VU57276
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40469
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper input validation in Windows DNS Server. A remote administrator 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-2021-40469

Install updates from vendor's website.


External References

Related Security Bulletins