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CVE-2025-64155

CRITICAL CVSS 3.1: 9.8 EPSS 0.08%
Updated Jan 14, 2026
Fortinet
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions 6.7.0 — 7.3.5
Fixed In 7.1.9
Type CWE-78 (OS Command Injection)
Vendor Fortinet
Public PoC No

An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.1.0 through 7.1.8, FortiSIEM 7.0.0 through 7.0.4, FortiSIEM 6.7.0 through 6.7.10 may allow an attacker to execute unauthorized code or commands via crafted TCP requests.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Fortinet Fortisiem
cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*
6.7.0 7.1.9
Fortinet Fortisiem
cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*
7.2.0 7.2.7
Fortinet Fortisiem
cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*
7.3.0 7.3.5
Fortinet Fortisiem
cpe:2.3:a:fortinet:fortisiem:7.4.0:*:*:*:*:*:*:*