CVE-2025-64155CRITICAL 9.8EPSS p98.5%

CVE-2025-64155CVE-2025-64155

Description

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS42.65% probability of exploitation · percentile 98.5% · 2026-06-18T12:00:27Z
Published2026-01-13
Last modified2026-01-20

Underlying weaknesses· 1

CWE-78

References

  1. https://fortiguard.fortinet.com/psirt/FG-IR-25-772
  2. https://github.com/horizon3ai/CVE-2025-64155
  3. https://github.com/purehate/CVE-2025-64155-hunter

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.