Hackers exploit SiteGuard WAF flaw to run commands as SYSTEM, root

Attackers are targeting an OS command injection vulnerability in SiteGuard Server Edition that lets them execute commands as root or SYSTEM on affected servers. [...]

source https://www.bleepingcomputer.com/news/security/hackers-exploit-siteguard-waf-flaw-to-run-commands-as-system-root/