CVE-2023-29357 - Microsoft SharePoint Server Privilege Escalation Vulnerability
Project:Microsoft
Product:SharePoint Server
Date Added:2024-01-10Due Date:2024-01-31
Vulnerability Name
Microsoft SharePoint Server Privilege Escalation Vulnerability
Description
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.
Known To Be Used in Ransomware Campaigns?
Known
Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Additional Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357
https://nvd.nist.gov/vuln/detail/CVE-2023-29357