CVE-2025-48840
Received
Received - Intake
Authentication Bypass in Fortinet FortiWeb via Hostname Spoofing
Vulnerability report for CVE-2025-48840, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-03-10
Last updated on: 2026-03-12
Assigner: Fortinet, Inc.
Description
Description
An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fortinet | fortiweb | From 7.6.0 (inc) to 7.6.4 (exc) |
| fortinet | fortiweb | From 7.0.0 (inc) to 7.4.9 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-290 | This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. |
