CVE-2023-29357
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
10/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
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.
CISA Known Exploited Vulnerability
Vendor / Product
Microsoft — SharePoint Server
Date Added
2024-01-10
Remediation Due
2024-01-31
Ransomware Use
CONFIRMED
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357; https://nvd.nist.gov/vuln/detail/CVE-2023-29357