#VU102593 Authentication bypass using an alternate path or channel in FortiOS and FortiProxy - CVE-2025-24472

Vulnerability identifier: #VU102593

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2025-24472, CVE-2024-55591

CWE-ID: CWE-288

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
FortiOS
Operating systems & Components / Operating system
FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper authentication within the Node.js websocket module in the web management interface. A remote non-authenticated attacker can bypass authentication and gain super-admin privileges on the system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 7.0.0 - 7.0.16

FortiProxy: 7.0.0 - 7.0.19, 7.2.0 - 7.2.99

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External links
https://www.fortiguard.com/psirt/FG-IR-24-535

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.