Main Vulnerability Database Vulnerabilities #VU103790

Improper Authorization in Microsoft products - CVE-2025-21400

Published: February 11, 2025

Vulnerability identifier: #VU103790

CSH Severity: Medium

CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-21400

CWE-ID: CWE-285

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to insufficient authorization controls in Microsoft SharePoint Server. A remote user can trick a victim to connect to a malicious server and execute arbitrary code on the target system.

Affected software

Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server

How to mitigate CVE-2025-21400

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-21400

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