microsoft sharepoint-server CVE-2023-29357 is a vulnerability in Microsoft Sharepoint Server
Published on June 14, 2023

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft SharePoint Server Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.

The following remediation steps are recommended / required by January 31, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vulnerability Analysis

CVE-2023-29357 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.


Products Associated with CVE-2023-29357

You can be notified by stack.watch whenever vulnerabilities like CVE-2023-29357 are published in these products:

Microsoft Sharepoint Server
 

What versions of Sharepoint Server are vulnerable to CVE-2023-29357?