Adobe ColdFusion MX 7 through 7.0.2, and JRun 4, when run on Microsoft IIS, allows remote attackers to read arbitrary files, list directories, or read source code via a double URL-encoded NULL byte in a ColdFusion filename, such as a CFM file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31411
http://www.vupen.com/english/advisories/2007/0116
http://www.securityfocus.com/bid/21978
http://www.securityfocus.com/archive/1/457799/100/0/threaded
http://www.adobe.com/support/security/bulletins/apsb07-02.html