Castel NextGen DVR v1.0.0 is vulnerable to CSRF in all state-changing request. A __RequestVerificationToken is set by the web interface, and included in requests sent by web interface. However, this token is not verified by the application: the token can be removed from all requests and the request will succeed.
Castel NextGen DVR v1.0.0 is vulnerable to privilege escalation through the Adminstrator/Users/Edit/:UserId functionality. Adminstrator/Users/Edit/:UserId fails to check that the request was submitted by an Administrator. This allows a normal user to escalate their privileges by adding additional roles to their account.
Castel NextGen DVR v1.0.0 is vulnerable to authorization bypass on all administrator functionality. The application fails to check that a request was submitted by an administrator. Consequently, a normal user can perform actions including, but not limited to, creating/modifying the file store, creating/modifying alerts, creating/modifying users, etc.