CVE-2025-64155

9.8 criticalEPSS 44%

Critical (9.8) in fortinet fortisiem. EPSS 44% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 44% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2026-01-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortisiem

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

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