What is the severity of CVE-2025-22859?

CVE-2025-22859 is considered a high severity vulnerability that could allow remote unauthenticated attackers to perform arbitrary file writes.

How do I fix CVE-2025-22859?

To fix CVE-2025-22859, users should upgrade to FortiClientEMS and FortiClientEMS Cloud versions 7.4.2 or later.

Who is affected by CVE-2025-22859?

CVE-2025-22859 affects users of FortiClientEMS versions 7.4.0 through 7.4.1 and FortiClientEMS Cloud versions 7.4.0 through 7.4.1.

What types of attacks are possible with CVE-2025-22859?

CVE-2025-22859 allows an attacker to exploit relative path traversal to perform limited arbitrary file writes on the affected systems.

Is authentication required to exploit CVE-2025-22859?

No, CVE-2025-22859 can be exploited by remote unauthenticated attackers.

Vulnerability/
CVE-2025-22859

medium

5.3

CWE

23 22

13/5/2025

CVE-2025-22859: Path Traversal

First published: Tue May 13 2025(Updated: )

A Relative Path Traversal vulnerability [CWE-23] in FortiClientEMS 7.4.0 through 7.4.1 and FortiClientEMS Cloud 7.4.0 through 7.4.1 may allow a remote unauthenticated attacker to perform a limited arbitrary file write on the system via upload requests.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet EMS	>=7.4.0<=7.4.1
Fortinet FortiClient EMS Cloud	>=7.4.0<=7.4.1

Remedy

Please upgrade to FortiClientEMS Cloud version 7.4.3 or above Please upgrade to FortiClientEMS version 7.4.3 or above

Never miss a vulnerability like this again

Reference Links

https://fortiguard.fortinet.com/psirt/FG-IR-24-552

Frequently Asked Questions

What is the severity of CVE-2025-22859?
CVE-2025-22859 is considered a high severity vulnerability that could allow remote unauthenticated attackers to perform arbitrary file writes.
How do I fix CVE-2025-22859?
To fix CVE-2025-22859, users should upgrade to FortiClientEMS and FortiClientEMS Cloud versions 7.4.2 or later.
Who is affected by CVE-2025-22859?
CVE-2025-22859 affects users of FortiClientEMS versions 7.4.0 through 7.4.1 and FortiClientEMS Cloud versions 7.4.0 through 7.4.1.
What types of attacks are possible with CVE-2025-22859?
CVE-2025-22859 allows an attacker to exploit relative path traversal to perform limited arbitrary file writes on the affected systems.
Is authentication required to exploit CVE-2025-22859?
No, CVE-2025-22859 can be exploited by remote unauthenticated attackers.

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