CVE-2025-24472: Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability

1. In CISA KEVCISA KEV catalogue18 Mar 2025
2. Exploited (reported)Dark Reading11 Aug
3. Scanning observed: not seen
4. Proof of concept public1 public GitHub repository (unverified), listed by PoC-in-GitHub23 Jul
5. Not established: not seen

DescriptionNVD

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.

1. 5 Nov
   CISA’s KEV entry now notes known ransomware use CISA
2. 11 Aug
   Dark Reading reported exploitation by Gunra Dark Reading
3. 11 Aug
   Dark Reading reported exploitation Dark Reading
4. 23 Jul
   PoC-in-GitHub lists 1 public GitHub repository (unverified) PoC-in-GitHub
5. 18 Mar 2025
   CISA added it to the KEV catalogue CISA

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

• NVD entrynvd.nist.gov
• CISA KEV cataloguecisa.gov
• Vendor advisoryfortiguard.fortinet.com
• CVE recordcve.org
• Weakness CWE-288cwe.mitre.org