Improper Handling of Parameters in FortiWeb - CVE-2025-52970
Published: August 12, 2025 / Updated: September 12, 2025
Vulnerability identifier: #VU113973
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2025-52970
CWE-ID: CWE-233
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Fortinet, Inc
Affected software:
FortiWeb
FortiWeb
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper handling of parameters via invalid parameter. An unauthenticated remote attacker in possession of non-public information (pertaining can both the device and to the targeted user) to log in as any existing user on the device via a specially crafted request.
How to mitigate CVE-2025-52970
Install update from vendor's website.