Milestone has released a new version of XProtect® (and several cumulative patch updates) which fix security vulnerability in Management Server API.
The vulnerability causes users with edit permissions to the Management Server to be able to execute arbitrary code in context of the Management Server Service.
Exploitability
AV:NAC:LAT:NPR:HUI:NVulnerable System
VC:LVI:LVA:LSubsequent System
SC:HSI:HSA:H6.4/CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:H/SI:H/SA:HInjection