Main Vulnerability Database Vulnerabilities #VU113096

Path traversal in Microsoft SharePoint Server - CVE-2025-53771

Published: July 22, 2025 / Updated: August 6, 2025

Vulnerability identifier: #VU113096

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-53771

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and read arbitrary files on the system, leading to a spoofing attack.

Affected software

Microsoft SharePoint Server

How to mitigate CVE-2025-53771

Install updates from vendor's website.

Microsoft SharePoint Server - addressed in versions 16.0.5513.1001, 16.0.10417.20037, 16.0.18526.20508

Links to Public Exploits and PoC-codes

Exploit #11832 - Microsoft SharePoint Server ToolPane Unauthenticated Remote Code Execution (aka ToolShell) (August 6, 2025)

External References

https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-53771

Related Security Bulletins

Path traversal in Microsoft SharePoint Server