CVE-2023-36553: FortiSIEM Vulnerability Exposes Systems to Remote Code Execution Vulnerability CVE-2023-36553: FortiSIEM Vulnerability Exposes Systems to Remote Code Execution Do Son November 15, 2023 0 CVE-2023-36553 and assigned a CVSS score of 9.3, stems from an OS command injection flaw in the FortiSIEM report server.