Vulnerability Description
An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version 7.6.2 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions ZTNA proxy may allow an unauthenticated attacker in a man-in-the middle position to intercept and tamper with connections to the ZTNA proxy
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiproxy | >= 7.0.0, < 7.4.9 |
| Fortinet | Fortios | >= 7.0.0, < 7.4.9 |
Related Weaknesses (CWE)
References
- https://fortiguard.fortinet.com/psirt/FG-IR-24-457Vendor Advisory
FAQ
What is CVE-2025-25253?
CVE-2025-25253 is a vulnerability with a CVSS score of 7.5 (HIGH). An Improper Validation of Certificate with Host Mismatch vulnerability [CWE-297] in FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions and FortiOS version ...
How severe is CVE-2025-25253?
CVE-2025-25253 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-25253?
Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortiproxy, Fortinet Fortios.