CVE-2025-25255

An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiProxy 7.6.0 through 7.6.3, 7.4 all versions, 7.2 all versions, 7.0.1 through 7.0.21, and FortiOS 7.6.0 through 7.6.3 explicit web proxy may allow an authenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-24-372	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

History

16 Oct 2025, 14:56

Type	Values Removed	Values Added
CPE		cpe:2.3:a:fortinet:fortiproxy:::::::: cpe:2.3:o:fortinet:fortios::::::::
References	~~() https://fortiguard.fortinet.com/psirt/FG-IR-24-372 -~~	() https://fortiguard.fortinet.com/psirt/FG-IR-24-372 - Vendor Advisory
First Time		Fortinet fortiproxy Fortinet fortios Fortinet

15 Oct 2025, 14:15

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3

14 Oct 2025, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-14 16:15

Updated : 2025-10-16 14:56

NVD link : CVE-2025-25255

Mitre link : CVE-2025-25255

CVE.ORG link : CVE-2025-25255

JSON object : View

Products Affected

fortinet

fortios
fortiproxy

CWE

CWE-358

Improperly Implemented Security Check for Standard

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