What is CVE-2023-21742?

CVE-2023-21742 is a remote code execution vulnerability in Microsoft SharePoint Server.

How severe is CVE-2023-21742?

CVE-2023-21742 has a severity rating of 8.8 (high).

Which versions of SharePoint Server are affected by CVE-2023-21742?

CVE-2023-21742 affects Microsoft SharePoint Server 2013 SP1, SharePoint Server 2016, and SharePoint Server 2019.

How can I fix CVE-2023-21742?

To fix CVE-2023-21742, apply the corresponding security patch provided by Microsoft for your version of SharePoint Server. Links to the patches can be found in the references section.

Where can I find more information about CVE-2023-21742?

More information about CVE-2023-21742 can be found on the Microsoft Security Response Center website. Please refer to the reference section for the link.

Vulnerability/
CVE-2023-21742

high

8.8

10/1/2023

14/12/2023

CVE-2023-21742: Microsoft SharePoint Server Remote Code Execution Vulnerability

First published: Tue Jan 10 2023(Updated: )

Microsoft SharePoint Server Remote Code Execution Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft SharePoint Foundation	=2013-sp1
Microsoft SharePoint Server
Microsoft SharePoint Server	=2013-sp1
Microsoft SharePoint Server	=2016
Microsoft SharePoint Server	=2019
Microsoft SharePoint Server Subscription Edition		fix available externally
Microsoft SharePoint Server 2019		fix available externally
Microsoft SharePoint Foundation 2013		fix available externally
Microsoft SharePoint Enterprise Server 2013		fix available externally fix available externally
Microsoft SharePoint Enterprise Server 2016		fix available externally

Never miss a vulnerability like this again

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21742 (Advisory)

Frequently Asked Questions

What is CVE-2023-21742?
CVE-2023-21742 is a remote code execution vulnerability in Microsoft SharePoint Server.
How severe is CVE-2023-21742?
CVE-2023-21742 has a severity rating of 8.8 (high).
Which versions of SharePoint Server are affected by CVE-2023-21742?
CVE-2023-21742 affects Microsoft SharePoint Server 2013 SP1, SharePoint Server 2016, and SharePoint Server 2019.
How can I fix CVE-2023-21742?
To fix CVE-2023-21742, apply the corresponding security patch provided by Microsoft for your version of SharePoint Server. Links to the patches can be found in the references section.
Where can I find more information about CVE-2023-21742?
More information about CVE-2023-21742 can be found on the Microsoft Security Response Center website. Please refer to the reference section for the link.

collector/msrc-cve
collector/nvd-index
collector/mitre-cve
vendor/microsoft
canonical/microsoft sharepoint foundation
version/microsoft sharepoint foundation/2013-sp1
canonical/microsoft sharepoint server
version/microsoft sharepoint server/2013-sp1
version/microsoft sharepoint server/2016
version/microsoft sharepoint server/2019
canonical/microsoft sharepoint server subscription edition
canonical/microsoft sharepoint server 2019
canonical/microsoft sharepoint foundation 2013
canonical/microsoft sharepoint enterprise server 2013
canonical/microsoft sharepoint enterprise server 2016

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.