The remote host is vulnerable to a flaw that allows attackers to retrieve sensitive files or data
The remote host is running a vulnerable version of Acme thttpd. This web server includes a CGI program to provide server-side-includes functionalities. It is reported that this CGI program does not properly filter certain escape sequences. An attacker may view arbitrary files in a known location on the web server.
Upgrade to thttpd 2.20 or higher.