CVE-2025-22862

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] in FortiOS 7.4.0 through 7.4.7, 7.2.0 through 7.2.11, 7.0.6 and above; and FortiProxy 7.6.0 through 7.6.2, 7.4.0 thr

Severity
Medium 6.3
CVSS 3.1
Exploited
Not listed
EPSS
0.003
17.0th percentile
Discovered by
Third party
Vendor advisory field
Published
Oct 2, 2025
Assigned by fortinet

Description

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] in FortiOS 7.4.0 through 7.4.7, 7.2.0 through 7.2.11, 7.0.6 and above; and FortiProxy 7.6.0 through 7.6.2, 7.4.0 through 7.4.8, 7.2 all versions, 7.0.5 and above may allow an authenticated attacker to elevate their privileges via triggering a malicious Webhook action in the Automation Stitch component.

Weakness: CWE-288

Affected products

Vendor Product Category Matched by
Fortinet FortiOS Firewall / NGFW cna-assigner
Fortinet FortiProxy SASE / SSE / Secure Web cna-assigner
Vendor-reported products (3)
  • Fortinet · FortiProxy
  • Fortinet · FortiOS
  • Siemens · RUGGEDCOM APE1808

Credit

Fortinet is pleased to thank Francesco Caserta, Alessandro Esposito, Andrea Lomuscio and Alessandro Ruggieri from the Italian National Cybersecurity Agency (ACN) for reporting this vulnerability under responsible disclosure.

Vendor remediation

Fortinet remediated this issue in FortiSASE version 25.2.a and hence customers do not need to perform any action. Upgrade to FortiProxy version 7.6.3 or above Upgrade to FortiProxy version 7.4.9 or above Upgrade to FortiOS version 7.6.0 or above Upgrade to FortiOS version 7.4.8 or above Upgrade to FortiOS version 7.2.12 or above

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