CyberCVE

CVE-2025-25253

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

Severity
Medium 6.8
CVSS 3.1
Exploited
Not listed
EPSS
0.001
1.2th percentile
Discovered by
Not disclosed
Published
Oct 14, 2025
Assigned by fortinet

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

Weakness: CWE-297

Affected products

Vendor Product Category Matched by
Fortinet FortiOS Firewall / NGFW cna-assigner
Fortinet FortiPAM Identity / IAM / MFA cna-assigner
Fortinet FortiProxy SASE / SSE / Secure Web cna-assigner
Vendor-reported affected versions (4)
  • Fortinet · FortiProxy
  • Fortinet · FortiOS
  • Fortinet · FortiPAM
  • Siemens · RUGGEDCOM APE1808

Vendor remediation

Upgrade to FortiProxy version 7.6.2 or above Upgrade to FortiProxy version 7.4.9 or above Upgrade to FortiOS version 7.6.3 or above Upgrade to FortiOS version 7.4.9 or above

References