This host is installed with Varnish and is prone to Log Escape Sequence Injection Vulnerability.
Successful exploitation will let the attacker execute arbitrary commands in a terminal. Impact level: Application
Upgrade to Varnish version 2.1.2 or later For updates refer to http://varnish.projects.linpro.no/wiki/WikiStart
The flaw exists when the Web Server is executed in foreground in a pty or when the logfiles are viewed with tools like 'cat' or 'tail' injected control characters reach the terminal and are executed.
Varnish version 2.0.6 and prior.