CandidATS version 3.0.0 allows an external attacker to read arbitrary files from the server. This is possible because the application is vulnerable to XXE.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:HI:NA:N7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N