CVE-2021-45966
An issue was discovered in Pascom Cloud Phone System before 7.20.x. In the management REST API, /services/apply in exd.pl allows remote attackers to execute arbitrary code via shell metacharacters.
Date published : 2022-03-18
https://kerbit.io/research/read/blog/4
https://tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.html