Xvfb of BI platform on Unix does not perform any authentication checks for functionalities that require user identity. As long as an attacker has access to internal network (LAN), he can connect to open ports and gain unauthenticated access to X server. Attacker can eavesdrop on the keyboard and the mouse of a user utilizing the remote host. It is even possible for an attacker to grab a screenshot of the remote host and exploit it for malicious purposes. As a result, a Cyber attacker can gain access to the username and password of a user that is logged onto the remote host.