CVE-2023-29357

Microsoft SharePoint Server Elevation of Privilege Vulnerability

CVE-2023-29357 is fixed in Microsoft SharePoint Server 2019 on 1 platform, first by KB5002402, released June 13, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on January 10, 2024, with known ransomware use. Patch Radar priority: Patch now.

Patch nowCISA KEVKnown ransomware use

CVSS

9.8

Critical

Exploitation

Exploited

Listed by CISA

CISA KEV

Jan 10, 2024

Federal due date Jan 31, 2024. Known ransomware use

EPSS

0.9998

99th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Server 2019	KB5002402	Jun 13, 2023
Microsoft SharePoint Server 2019	KB5002403	Jun 13, 2023

Details

Published
June 13, 2023
Weakness
Incorrect Implementation of Authentication Algorithm
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/cve/CVE-2023-29357">CVE-2023-29357 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Is this on your machines?

Patchblox finds every install below the fixed version on Windows, macOS and Linux, and updates them through your release rings.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.