InterVations NaviCOPA Web Server 3.0.1.2 and earlier allows remote attackers to obtain the source code for a web page via a trailing encoded space character in a URI, as demonstrated by /index.html%20 and /index.php%20 URIs.
https://exchange.xforce.ibmcloud.com/vulnerabilities/53799
http://www.vupen.com/english/advisories/2009/2927
http://secunia.com/advisories/37014
http://pocoftheday.blogspot.com/2009/10/navicopa-web-server-3012-remote-source.html