(0Day) Advantech WebAccess/NMS DashBoardAction Missing Authentication Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Advantech WebAccess/NMS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the DashBoardAction endpoint of the web server. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to disclose information from the application.