CVE-2021-43889 Microsoft Defender for IoT Remote Code Execution Vulnerability
Attackers can achieve remote code execution on Microsoft Defender for IoT deployments, requiring immediate patching by security administrators.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43889?
CVE-2021-43889 is a high-severity code injection vulnerability in Microsoft Defender for IoT, published on 15 Dec 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Microsoft Defender for IoT Remote Code Execution Vulnerability
Which versions are affected by CVE-2021-43889?
It affects 1 product.
Products include Microsoft Defender for Iot.
How do I fix CVE-2021-43889?
No fix has been published for CVE-2021-43889 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-43889 being exploited?
There is no known exploitation of CVE-2021-43889 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Defender for IoT
- CVE-2021-42311 Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2021-42313 Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2024-38089 Microsoft Defender for IoT Elevation of Privilege Vulnerability
- CVE-2021-43882 Microsoft Defender for IoT Remote Code Execution Vulnerability
- CVE-2024-21323 Microsoft Defender for IoT Remote Code Execution Vulnerability
Sources
Also known as GHSA-rpx5-2jw7-fmx4.