X Server Unauthenticated Access: Screenshot
Critical Nessus Plugin ID 66349
SynopsisThe remote X server accepts TCP connections.
DescriptionThe remote X server accepts remote TCP connections. It is possible for an attacker to grab a screenshot of the remote host.
SolutionRestrict access to this port by using the 'xhost' command. If the X client/server facility is not used, disable TCP connections to the X server entirely.