CVE-2021-42311 Microsoft Defender for IoT Remote Code Execution Vulnerability
An attacker can execute arbitrary code remotely via SQL injection in Microsoft Defender for IoT.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42311?
CVE-2021-42311 is a critical SQL injection vulnerability in Microsoft Defender for IoT, published on 15 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft Defender for IoT Remote Code Execution Vulnerability
Weakness: CWE-89
Which versions are affected by CVE-2021-42311?
It affects 1 product.
Products include Microsoft Defender for Iot.
How do I fix CVE-2021-42311?
No fix has been published for CVE-2021-42311 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-42311 being exploited?
There is no known exploitation of CVE-2021-42311 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Defender for IoT
- 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
- CVE-2024-29053 Microsoft Defender for IoT Remote Code Execution Vulnerability
Sources
Also known as GHSA-p693-2vfq-fpvw.