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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


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Vulnerability Assessment Details

X Server Detection

Vulnerability Assessment Summary
X11 detection

Detailed Explanation for this Vulnerability Assessment

Summary :

A X11 server is listening on the remote host

Description :

The remote host is running a X11 server. X11 is a client-server protocol
which can be used to display graphical applications running on a given
host on a remote client.

Since the X11 traffic is not ciphered, it is possible for a possible hacker
to eavesdrop on the connection.

Solution :

Restrict access to this port. If the X11 client/server facility is not
used, disable TCP entirely.

Network Security Threat Level:

Low / CVSS Base Score : 2
(AV:R/AC:H/Au:R/C:P/A:N/I:N/B:C)

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security

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