The Secure and SameSite attribute are missing in the GraphicalData web services and WebClient web app of PcVue in version 12.0.0 through 16.3.3 included.
Exploitability
AV:NAC:LAT:NPR:NUI:PVulnerable System
VC:LVI:LVA:NSubsequent System
SC:LSI:LSA:N5.3/CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/AU:Y/R:U/RE:M/U:Clear