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CVE-2025-25253

Published: Oct 14, 2025Updated: Jun 9, 2026 Sources: CVE List NVD BDU csafCWE-297
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.1%
Top 98.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:AAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-297

Affected Products

FortiProxyFortinetSecurity Products
FortiOSFortinetSecurity Products
FortiPAMFortinetSecurity Products
fortiproxyfortinetSecurity Products
fortiosfortinetSecurity Products
fortinetcommercialUSSecurity Productsaka forti net
and 2 more affected products View all →

Exploitability

Official Patch Available

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-457
fortiguard.fortinet.com
https://cert-portal.siemens.com/productcert/csaf/ssa-864900.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-864900.html
cert-portal.siemens.com
and 65 more references View all →

Timeline

Published
Oct 14, 2025
Last Updated
Jun 9, 2026

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