Zenoss Core through 5 Beta 3 does not require a password for modifying the pager command string, which allows remote attackers to execute arbitrary commands or cause a denial of service (paging outage) by leveraging an unattended workstation, aka ZEN-15412.
https://docs.google.com/spreadsheets/d/1dHAc4PxUbs-4Dxzm1wSCE0sMz5UCMY6SW3PlMHSyuuQ/edit?usp=sharing