Violation of Secure Design Principles, Hidden Functionality, Incorrect Provision of Specified Functionality vulnerability in ArcGIS (Authentication) allows Privilege Abuse, Manipulating Hidden Fields, Configuration/Environment Manipulation. The ArcGIS client_credentials OAuth 2.0 API implementation does not adhere to the RFC/standards; This hidden (known and by-design, but undocumented) functionality enables a requestor (referred to as client in RFC 6749) to request an, undocumented, custom token expiration from ArcGIS (referred to as authorization server in RFC…Read More