Auth bypass in Fortinet Fortios
CVE-2025-22252
A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager version 7.2.5, and FortiOS versions 7.4.4 through 7.4.6 and version 7.6.0 may allow an attacker with knowledge of an existing admin account to access the device as a valid admin via an authentication bypass.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (60.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Fortinet Fortios — versions 7.6.0, 7.4.4
- Fortinet Fortiproxy — versions 7.6.0
- Fortinet Fortiswitchmanager — versions 7.2.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- fortiguard.fortinet.com/psirt/FG-IR-24-472 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-22252?
- CVE-2025-22252 is a critical-severity vulnerability in Fortinet Fortios, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-05-28.
- How severe is CVE-2025-22252?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-22252 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.