CVE-2021-31966 Microsoft SharePoint Server Remote Code Execution Vulnerability
Attackers can execute arbitrary code on Microsoft SharePoint Server, potentially compromising the entire collaboration platform.
- 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-2021-31966?
CVE-2021-31966 is a high-severity code injection vulnerability in Microsoft Sharepoint Foundation, published on 8 Jun 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Which versions are affected by CVE-2021-31966?
It affects 2 products.
Products include Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2021-31966?
No fix has been published for CVE-2021-31966 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-2021-31966 being exploited?
There is no known exploitation of CVE-2021-31966 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Foundation
- CVE-2014-2816 Privilege escalation in n/a
- CVE-2023-21742 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2023-21744 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2022-44690 Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE-2022-41036 Microsoft SharePoint Server Remote Code Execution Vulnerability
Sources
Also known as GHSA-988w-q87v-mrx5.