CVE-2023-29357Used in ransomware
MI
Microsoft SharePoint Server
Microsoft SharePoint Server Privilege Escalation Vulnerability
What it is
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.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
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