CVE-2023-24955 Microsoft SharePoint Server Code Injection

Exploited in the wild High 7.2 Published Updated

Attackers can execute arbitrary code on Microsoft SharePoint Server, requiring immediate patching by administrators.

Exploited in the wild
Since 26 Mar 2024
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-24955?

CVE-2023-24955 is a high-severity code injection vulnerability in Microsoft Sharepoint Enterprise Server, published on 9 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Microsoft SharePoint Server Remote Code Execution Vulnerability

Weakness: CWE-94

Which versions are affected by CVE-2023-24955?

It affects 2 products.

Products include Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server.

How do I fix CVE-2023-24955?

No fix has been published for CVE-2023-24955 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 16 Apr 2024.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-24955 being exploited?

Yes. Attackers have exploited CVE-2023-24955 in the wild since at least 26 Mar 2024, including in ransomware campaigns.

Public exploit code: 1 Metasploit module and 1 proofs of concept on GitHub.

All Microsoft Sharepoint Enterprise Server vulnerabilities

Sources

Also known as GHSA-8vmr-gjcv-vm3c.

Is CVE-2023-24955 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free