The FTP client in IBM AIX 6.1 and 7.1, and VIOS 2.2.1.4-FP-25 SP-02, does not properly manage privileges in an RBAC environment, which allows attackers to bypass intended file-read restrictions by leveraging the setuid installation of the ftp executable file.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19695
https://exchange.xforce.ibmcloud.com/vulnerabilities/79279
http://www.securityfocus.com/bid/56134
http://www.ibm.com/support/docview.wss?uid=isg1IV28787
http://www.ibm.com/support/docview.wss?uid=isg1IV28785
http://www.ibm.com/support/docview.wss?uid=isg1IV28715
http://www.ibm.com/support/docview.wss?uid=isg1IV23331
http://aix.software.ibm.com/aix/efixes/security/ftp_advisory1.asc