FortiSIEM 6.7.0-7.4.0 OS Command Injection (CVE-2025-64155)
CVE-2025-64155 Published on January 13, 2026
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.
Vulnerability Analysis
CVE-2025-64155 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2025-64155 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2025-64155
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Affected Versions
Fortinet FortiSIEM:- Version 7.4.0 is affected.
- Version 7.3.0, <= 7.3.4 is affected.
- Version 7.2.6 is affected.
- Version 7.1.8 is affected.
- Version 7.0.4 is affected.
- Version 6.7.10 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.