Niti Telecom Caravan Business Server 2.00-03D - Directory Traversal

source: https://www.securityfocus.com/bid/9555/info

The showcode.asp script activated in Sample_showcode.html may be vulnerable to a directory traversal issue. A remote attacker may view any files readable by the web server using '../' escape sequences in URI requests. 

http://www.example.org/sample_script_directory/Sample_showcode.html?fname=/../../../../target