The show_files function in RunCms 1.5.2 and earlier allows remote attackers to obtain sensitive information (file existence and file metadata) via unspecified vectors.
https://www.exploit-db.com/exploits/3850
http://www.vupen.com/english/advisories/2007/1669
http://www.securityfocus.com/bid/23819
http://www.securityfocus.com/archive/1/467665/100/0/threaded
http://securityreason.com/securityalert/2671