Directory traversal vulnerability in nph-mr.cgi in Mailreader.com 2.3.20 through 2.3.31 allows remote attackers to view arbitrary files via .. (dot dot) sequences and a null byte (%00) in the configLanguage parameter.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-1562
http://www.securityfocus.com/bid/6055
http://www.securityfocus.com/archive/1/297428
http://www.iss.net/security_center/static/10490.php