The /server/properties resource in Tenable Web UI before 2.3.5 for Nessus 5.2.3 through 5.2.7 allows remote attackers to obtain sensitive information via the token parameter.
http://www.tenable.com/security/tns-2014-05
http://www.securitytracker.com/id/1030614
http://www.securityfocus.com/bid/68782
http://www.securityfocus.com/archive/1/532839/100/0/threaded
http://www.halock.com/blog/cve-2014-4980-parameter-tampering-nessus-web-ui/