known ransomware use

Fortinet FortiOS and FortiProxy Authentication Bypass Vulnerability

Added to KEV
2025-03-18
Federal due date
2025-04-08
Vendor
Fortinet
Product
FortiOS and FortiProxy
EPSS
93.4th percentile (score 0.104, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Known
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2025-24472

CISA short description

Fortinet FortiOS and FortiProxy contain an authentication bypass vulnerability that allows a remote attacker to gain super-admin privileges via crafted CSF proxy requests.

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.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.