8.1
HIGH
CVE-2024-26009
Fortinet FortiOS Authentication Bypass via FGFM Requests
Description

An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS version 6.4.0 through 6.4.15 and before 6.2.16, FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.8 and before 7.0.15 & FortiPAM before version 1.2.0 allows an unauthenticated attacker to seize control of a managed device via crafted FGFM requests, if the device is managed by a FortiManager, and if the attacker knows that FortiManager's serial number.

INFO

Published Date :

Aug. 12, 2025, 7:15 p.m.

Last Modified :

Aug. 12, 2025, 7:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.2
Affected Products

The following products are affected by CVE-2024-26009 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fortinet fortios
2 Fortinet fortipam
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-26009.

URL Resource
https://fortiguard.fortinet.com/psirt/FG-IR-24-042

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-26009 vulnerability anywhere in the article.

  • CybersecurityNews
FortiOS, FortiProxy, and FortiPAM Auth Bypass Vulnerability Allows Attackers to Gain Full Control

A high-severity authentication bypass vulnerability affecting multiple Fortinet security products, including FortiOS, FortiProxy, and FortiPAM systems. The flaw, designated as CVE-2024-26009 with a CV ... Read more

Published Date: Aug 13, 2025 (4 hours, 50 minutes ago)

The following table lists the changes that have been made to the CVE-2024-26009 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 12, 2025

    Action Type Old Value New Value
    Added Description An authentication bypass using an alternate path or channel [CWE-288] vulnerability in Fortinet FortiOS version 6.4.0 through 6.4.15 and before 6.2.16, FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.8 and before 7.0.15 & FortiPAM before version 1.2.0 allows an unauthenticated attacker to seize control of a managed device via crafted FGFM requests, if the device is managed by a FortiManager, and if the attacker knows that FortiManager's serial number.
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-288
    Added Reference https://fortiguard.fortinet.com/psirt/FG-IR-24-042
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-26009 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-26009 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability