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 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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortiproxy::::::::
	cpe:2.3:a:fortinet:fortiproxy::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de validación incorrecta de certificado con falta de coincidencia de host [CWE-297] en FortiProxy versión 7.6.1 y anteriores, versión 7.4.8 y anteriores, 7.2 todas las versiones, 7.0 todas las versiones y FortiOS versión 7.6.2 y anteriores, versión 7.4.8 y anteriores, 7.2 todas las versiones, 7.0 todas las versiones proxy ZTNA puede permitir a un atacante no autenticado en una posición de intermediario interceptar y manipular las conexiones al proxy ZTNA.

Information

Published : 2025-10-14 16:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-25253

Mitre link : CVE-2025-25253

CVE.ORG link : CVE-2025-25253

JSON object : View

Products Affected

fortinet

fortiproxy
fortios

CWE

CWE-297

Improper Validation of Certificate with Host Mismatch

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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"}, {"lang": "es", "value": "Una vulnerabilidad de validaci\u00f3n incorrecta de certificado con falta de coincidencia de host [CWE-297] en FortiProxy versi\u00f3n 7.6.1 y anteriores, versi\u00f3n 7.4.8 y anteriores, 7.2 todas las versiones, 7.0 todas las versiones y FortiOS versi\u00f3n 7.6.2 y anteriores, versi\u00f3n 7.4.8 y anteriores, 7.2 todas las versiones, 7.0 todas las versiones proxy ZTNA puede permitir a un atacante no autenticado en una posici\u00f3n de intermediario interceptar y manipular las conexiones al proxy ZTNA."}], "lastModified": "2026-10-18T21:10:00.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": 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