CVE-2025-53951: Path Traversal

Published Oct 16, 2025
·
Updated

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 Software

3 affected components
Fortinet FortiDLP Agent>=11.5.1<=11.5.1, >=11.4.2<11.4.7, >=11.3.2<11.3.5, >=11.2.0<11.2.4, >=11.1.1<11.1.3
All of the following
Fortinet FortiDLP Agent>=10.3.1<=11.5.1
Microsoft Windows

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Fortinet FortiDLP Agent (Outlookproxy plugin) to a version that resolves this vulnerability.

    Fixed in 12.0.0

Event History

Oct 16, 2025
CVE Published
via MITRE·01:58 PM
Data Sourced
via MITRE·01:58 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-53951?

CVE-2025-53951 is rated as a critical vulnerability due to the potential for path traversal attacks.

2

How do I fix CVE-2025-53951?

To address CVE-2025-53951, update the Fortinet FortiDLP Agent to the latest version that is not affected by this vulnerability.

3

What systems are affected by CVE-2025-53951?

CVE-2025-53951 impacts multiple versions of Fortinet FortiDLP Agent, specifically from version 10.5.1 up to 11.5.1.

4

What are the potential consequences of CVE-2025-53951?

Exploiting CVE-2025-53951 can allow an attacker to access restricted directories, leading to unauthorized file access and disclosure of sensitive information.

5

Is there a patch available for CVE-2025-53951?

Yes, Fortinet has released a patch for CVE-2025-53951, which is included in the updated versions of FortiDLP Agent.

Contact

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