source: https://www.securityfocus.com/bid/7888/info
It has been reported that Simple Web Server fails to properly sanitize web requests. By sending a malicious web request to the vulnerable server, using directory traversal sequences, it is possible for a remote attacker to access sensitive resources located outside of the web root.
This vulnerability has been reported for silentThought Simple Web Server version 1.0 for the Microsoft Windows platform.
http://www.example.com/../../winnt/repair/sam._
http://www.example.com/../../boot.ini