Vulnerability intelligence

CVE-2025-24472

Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability

Fortinet FortiOS and FortiProxy CWE-288

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.

CVSS Score

8.1

High

EPSS — Exploit Probability

7.2%

Riskier than 94% of all CVEs · checked 2026-09-24

Exploitation

Confirmed in the wild

Used in ransomware campaigns

Remediation

unknown

Federal deadline 2025-04-08

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. Deadline for federal agencies: 2025-04-08.

NVD entry PoC / advisory CISA KEV

1 article across 1 outlet · first covered Aug 11, 2026 · latest Aug 11, 2026

Associated threat actors

Gunra

Coverage timeline

Gunra Ransomware Gang Exploits Fortinet Flaws, Bypasses MFA
www.darkreading.com · Aug 11, 2026

Related CVEs — Fortinet

CVE-2018-13379KEV CVE-2022-42475KEV CVE-2023-27997KEV CVE-2024-21762KEV CVE-2025-25249KEV CVE-2026-26084 CVE-2026-84393 CVE-2024-55591KEV