CVE-2025-25253 MEDIUM

CVE-2025-25253

Vendor Fortinet
Product FortiProxy
Weakness CWE-297
Published October 14, 2025
Last update June 9, 2026

CVSS base score

6.8/10
Attack vector Adjacent
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

October 14, 2025 CVE published
June 9, 2026 Record updated