OS Command Injection in FortiSIEM - CVE-2025-25256
Published: August 12, 2025 / Updated: August 30, 2025
Vulnerability identifier: #VU113969
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2025-25256
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Fortinet, Inc
Affected software:
FortiSIEM
FortiSIEM
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper neutralization of special elements used in an os command ('os command injection'). An unauthenticated attacker can execute unauthorized code or commands via crafted CLI requests.
Note, the vulnerability is being actively exploited in the wild.
How to mitigate CVE-2025-25256
Install update from vendor's website.