CVE-2021-28474 Microsoft SharePoint Server Remote Code Execution Vulnerability
Attackers can execute arbitrary code on Microsoft SharePoint Server, requiring immediate patching by administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28474?
CVE-2021-28474 is a high-severity code injection vulnerability in Microsoft Sharepoint Foundation, published on 11 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Weakness: CWE-436
Which versions are affected by CVE-2021-28474?
It affects 2 products.
Products include Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2021-28474?
No fix has been published for CVE-2021-28474 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-2021-28474 being exploited?
There is no known exploitation of CVE-2021-28474 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-f4c7-7cmx-q7fx.