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Vulnerability · Published Aug 12, 2025 · Assigned by fortinet

CVE-2025-25256

Critical 9.8

In plain English

A critical-severity OS command injection in FortiSIEM from Fortinet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 65.0% (higher than 99.3% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)65.0%top 0.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling2Nuclei, Public PoC

Official description

An improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerability [CWE-78] vulnerability in Fortinet FortiSIEM 7.3.0 through 7.3.1, FortiSIEM 7.2.0 through 7.2.5, FortiSIEM 7.1.0 through 7.1.7, FortiSIEM 7.0.0 through 7.0.3, FortiSIEM 6.7.0 through 6.7.9, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions, FortiSIEM 6.3 all versions, FortiSIEM 6.2 all versions, FortiSIEM 6.1 all versions, FortiSIEM 5.4 all versions, FortiSIEM 5.3 all versions, FortiSIEM 5.2 all versions, FortiSIEM 5.1 all versions, FortiSIEM 5.0 all versions, FortiSIEM 4.10 all versions, FortiSIEM 4.9 all versions, FortiSIEM 4.7 all versions allows an unauthenticated attacker to execute unauthorized code or commands via crafted CLI requests.

Affected products (as reported)

VendorProductVersions
Fortinet FortiSIEM 7.3.0 – through 7.3.17.2.0 – through 7.2.57.1.0 – through 7.1.77.0.0 – through 7.0.36.7.0 – through 6.7.96.6.0 – through 6.6.56.5.0 – through 6.5.36.4.0 – through 6.4.4

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

References