---
id: CVE-2025-53951
title: >-
  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 t…
summary: >-
  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 t…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-22
vendor: fortinet
product: fortidlp_agent
affected:
  - 'fortidlp_agent >= 10.3.1, <= 11.5.1'
published: '2025-10-16'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T10:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-53951'
references:
  - url: 'https://fortiguard.fortinet.com/psirt/FG-IR-25-628'
    label: psirt@fortinet.com
tags:
  - nvd
epss: 0.00207
epssPercentile: 0.09916
ingestedAt: '2026-10-09T12:53:28.983Z'
---

## Overview

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.

## Affected

- `fortidlp_agent >= 10.3.1, <= 11.5.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.