Directory traversal vulnerability in BOA web server 0.94.8.2 and earlier allows remote attackers to read arbitrary files via a modified .. (dot dot) attack in the GET HTTP request that uses a "%2E" instead of a "."
https://exchange.xforce.ibmcloud.com/vulnerabilities/5330
http://www.debian.org/security/2000/20001009
http://archives.neohapsis.com/archives/bugtraq/2000-10/0092.html