An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.
Exploitability
AV:NAC:LPR:LUI:NScope
S:CImpact
C:LI:NA:N5/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:NInput Validation