A user with administrative privileges in Distributed Data Systems WebHMI 4.1.1.7662 can store a script that could impact other logged in users.

A user with administrative privileges in Distributed Data Systems WebHMI 4.1.1.7662 may send OS commands to execute on the host server.

The software allows the attacker to upload or transfer files of dangerous types to the WebHMI portal, that may be automatically processed within the product's environment or lead to arbitrary code execution.

The authentication algorithm of the WebHMI portal is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.