CVE-2025-25255
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-10-14
Last updated on: 2025-12-09
Assigner: Fortinet, Inc.
Description
Description
An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0.1 through 7.0.22 may allow an unauthenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fortinet | fortios | From 7.4.0 (inc) to 7.4.9 (inc) |
| fortinet | fortiproxy | From 7.6.0 (inc) to 7.6.4 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-358 | The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an improperly implemented security check in FortiProxy and FortiOS versions specified, which allows an authenticated proxy user to bypass the domain fronting protection feature by sending specially crafted HTTP requests.
How can this vulnerability impact me? :
An attacker who is an authenticated proxy user could bypass domain fronting protections, potentially allowing them to access or route traffic in ways that are normally blocked, which could lead to unauthorized access or data exposure.
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