ColdFusion MX and JRun 4.0 will show source code while browsing .cfm, .cfc,.cfml (ColdFusion MX) or .jsp (JRun) pages if the user appends an encoded space to the end of a URL. This vulnerability only affects Apache 1.3.x and 2.x versions on Windows platforms.
Visit the URL below to download Updater 3, which contains the patch.
Patch for Apache 1.3.x, 2.0 View Source Vulnerability in ColdFusion MX and JRun 4.0 on Windows