POSTING DATE: 2026/01/16

[VULNERABILITY ALERT] Fortinet FortiSIEM Contains a Critical Security Vulnerability (CVE-2025-64155)

  • Subject: [VULNERABILITY ALERT] Fortinet FortiSIEM Contains a Critical Security Vulnerability (CVE-2025-64155)


  • Content Description:
    • Forwarded from Taiwan Computer Emergency Response Team/Coordination Center Security Alert TWCERTCC-200-202601-00000010
    • FortiSIEM is Fortinet's next-generation Security Information and Event Management platform that utilizes AI and automation to enhance threat detection and security operations efficiency, reducing management complexity.
    • Recently, Fortinet released a critical security vulnerability announcement (CVE-2025-64155, CVSS: 9.8). This is an OS command injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands through specially crafted TCP requests.
  • Affected Platforms:
    • FortiSIEM versions 6.7.0 to 6.7.10
    • FortiSIEM versions 7.0.0 to 7.0.4
    • FortiSIEM versions 7.1.0 to 7.1.8
    • FortiSIEM versions 7.2.0 to 7.2.6
    • FortiSIEM versions 7.3.0 to 7.3.4
    • FortiSIEM version 7.4.0
  • Recommended Actions:
    • Please update to the following versions:
    • FortiSIEM version 7.1.9 (inclusive) or later
    • FortiSIEM version 7.2.7 (inclusive) or later
    • FortiSIEM version 7.3.5 (inclusive) or later
    • FortiSIEM version 7.4.1 (inclusive) or later
    • Note: For FortiSIEM versions 6.7 and 7.0, please migrate to a fixed version.
  • Reference Material:

Computer and Communication Center
Network Systems Division, Respectfully