Directory traversal vulnerability in IPCheck Server Monitor before 5.3.3.639/640 allows remote attackers to read arbitrary files via modified .. (dot dot) sequences in the URL, including (1) "..%2f" (encoded "/" slash), "..../" (multiple dot), and "..%255c../" (double-encoded "\" backslash).
https://exchange.xforce.ibmcloud.com/vulnerabilities/28341
http://www.vupen.com/english/advisories/2006/3259
http://www.securityfocus.com/archive/1/444227/100/0/threaded
http://www.securityfocus.com/archive/1/442822/100/0/threaded
http://www.paessler.com/ipcheck/history
http://www.paessler.com/forum/viewtopic.php?p=4047&sid=f8c0f03a69d9498338797c6ea3cc6733