CVE-2023-29357

Qué es

Microsoft SharePoint Server Elevation of Privilege Vulnerability

CISA: 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.

Qué hacer

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Plazo para las agencias federales de EE. UU.: 31 de enero de 2024

• msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357