Directory traversal vulnerability in Accipiter Direct Server 6.0 allows remote attackers to read arbitrary files via encoded \.. (backslash .., "%5c%2e%2e") sequences in an HTTP request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/14198
http://secunia.com/advisories/10600
http://marc.info/?l=bugtraq&m=107392576215418&w=2
http://archives.neohapsis.com/archives/fulldisclosure/2004-01/0274.html