CVE-2023-24955: Microsoft SharePoint Server Code Injection Vulnerability
First published: Tue May 09 2023(Updated: )
Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | ||
| Microsoft SharePoint Server 2019 | ||
| Microsoft SharePoint Server Subscription Edition | ||
| Microsoft SharePoint Enterprise Server | =2016 | |
| Microsoft SharePoint Server | ||
| Microsoft SharePoint Server | =2019 | |
| Microsoft SharePoint Server |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 (Advisory)
- https://www.theregister.com/2024/01/12/microsoft_sharepoint_vuln_exploit/
- https://www.bleepingcomputer.com/news/security/cisa-tags-microsoft-sharepoint-rce-bug-as-actively-exploited/
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955;
- https://nvd.nist.gov/vuln/detail/CVE-2023-24955
Frequently Asked Questions
What is CVE-2023-24955?
CVE-2023-24955 is a vulnerability in Microsoft SharePoint Server that allows remote code execution.
How severe is CVE-2023-24955?
CVE-2023-24955 has a severity rating of 7.2 (critical).
Which versions of SharePoint Server are affected by CVE-2023-24955?
CVE-2023-24955 affects SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Enterprise Server 2016.
How can I fix CVE-2023-24955?
You can fix CVE-2023-24955 by applying the relevant patches provided by Microsoft.
Where can I find the patches for CVE-2023-24955?
You can find the patches for CVE-2023-24955 on the Microsoft website.
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