CVE-2025-64155

EUVD-2026-2076
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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
fortinetCNA
9.4 CRITICAL
NETWORK
LOW
NONE
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
Affected Products (NVD)
VendorProductVersion
fortinetfortisiem
6.7.0 ≤
𝑥
< 7.1.9
fortinetfortisiem
7.2.0 ≤
𝑥
< 7.2.7
fortinetfortisiem
7.3.0 ≤
𝑥
< 7.3.5
fortinetfortisiem
7.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://fortiguard.fortinet.com/psirt/FG-IR-25-772
https://github.com/horizon3ai/CVE-2025-64155
https://github.com/purehate/CVE-2025-64155-hunter