CVE-2025-53951 MEDIUM

CVE-2025-53951

Vendor Fortinet
Product FortiDLP
Weakness CWE-22 · Path traversal
Published October 16, 2025
Last update January 14, 2026

CVSS base score

4.9/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C

What the vulnerability does

01Description

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability [CWE-22] in Fortinet FortiDLP Agent's Outlookproxy plugin for Windows 11.5.1 and 11.4.2 through 11.4.6 and 11.3.2 through 11.3.4 and 11.2.0 through 11.2.3 and 11.1.1 through 11.1.2 and 11.0.1 and 10.5.1 and 10.4.0, and 10.3.1 may allow an authenticated attacker to escalate their privilege to LocalService via sending a crafted request to a local listening port.

Key dates

02Disclosure timeline

October 16, 2025 CVE published
January 14, 2026 Record updated