CVE-2025-25253

HIGH EPSS 1.2%

Published Oct 14, 20258mo ago · Modified Jun 17, 20261w ago

7.5 CVSS 3.1

High

Published Oct 14, 2025 8mo ago

Last Modified Jun 17, 2026 1w ago

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 Details

Base Score

7.5

Exploitability

1.6

Impact

5.9

Vector string

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Adjacent

Attack Complexity High

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

1.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-297

Affected Products 4

Vendor	Product	Version	Range
fortinet	fortiproxy	*	≥7.0.0 – <7.4.9
fortinet	fortiproxy	*	≥7.6.0 – <7.6.2
fortinet	fortios	*	≥7.0.0 – <7.4.9
fortinet	fortios	*	≥7.6.0 – <7.6.3

References 2

cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-864900.html
fortiguard.fortinet.com https://fortiguard.fortinet.com/psirt/FG-IR-24-457

Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.