A improper neutralization of special elements used in a command ('command injection') in Fortinet FortiNAC 7.2.1 and earlier, 9.4.3 and earlier allows attacker a limited, unauthorized file access via specifically crafted request in inter-server communication port.
https://www.tenable.com/blog/cve-2023-33299-critical-remote-code-execution-vulnerability-in-fortinac