Directory traversal vulnerability in fileManager.cfc in Mura CMS 5.1 before 5.1.498 and 5.2 before 5.2.2809, and Sava CMS 5 through 5.2, allows remote attackers to read arbitrary files via a .. (dot dot) in the FILEID parameter to the default URI under tasks/render/file/.
http://www.securityfocus.com/bid/43499
http://www.getmura.com/index.cfm/blog/critical-security-patch/