All CVE records
CVE-2023-29357 — Microsoft SharePoint Server Privilege Escalation Vulnerability
Known ransomware use
CISA KEV listed
Added January 10, 2024 Remediate by January 31, 2024
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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357; https://nvd.nist.gov/vuln/detail/CVE-2023-29357
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