Encoded directory traversal vulnerability in Dino's web server 2.1 allows remote attackers to read arbitrary files via ".." (dot dot) sequences with URL-encoded (1) "/" (%2f") or (2) "\" (%5c) characters.
http://www.securityfocus.com/bid/5782
http://www.iss.net/security_center/static/10168.php
http://marc.info/?l=bugtraq&m=103281444824285&w=2
http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0127.html