Code Injection in Microsoft Defender for IoT - CVE-2021-43889

 

Code Injection in Microsoft Defender for IoT - CVE-2021-43889

Published: December 14, 2021


Vulnerability identifier: #VU58909
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-2021-43889
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 Microsoft Defender for IoT. 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

Microsoft Defender for IoT

How to mitigate CVE-2021-43889

Install updates from vendor's website.


External References

Related Security Bulletins