An issue was discovered in Zoho ManageEngine ServiceDesk Plus 9.3 Build 9317. Unauthenticated users are able to validate domain user accounts by sending a request containing the username to an API endpoint. The endpoint will return the user's logon domain if the accounts exists, or 'null' if it does not.
Publication date: Fri, 11 May 2018 19:29:00 +0000