CVE-2025-24472 Fortinet FortiOS and FortiProxy Authentication Bypass

What is CVE-2025-24472?

CVE-2025-24472 is a high-severity authentication bypass vulnerability in Fortinet Fortios, published on 11 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS 7.0.0 through 7.0.16 and FortiProxy 7.2.0 through 7.2.12, 7.0.0 through 7.0.19 may allow a remote unauthenticated attacker with prior knowledge of upstream and downstream devices serial numbers to gain super-admin privileges on the downstream device, if the Security Fabric is enabled, via crafted CSF proxy requests.

Weakness: CWE-288

Which versions are affected by CVE-2025-24472?

It affects 2 products.

Products include Fortinet Fortios, Fortinet Fortiproxy.

How do I fix CVE-2025-24472?

No fix has been published for CVE-2025-24472 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 8 Apr 2025.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-24472 being exploited?

Yes. Attackers have exploited CVE-2025-24472 in the wild since at least 18 Mar 2025, including in ransomware campaigns.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rp3f-whm7-36hq.