The Storage and Access service in BlackBerry OS 10.x before 10.2.1.1925 on Q5, Q10, Z10, and Z30 devices does not enforce the password requirement for SMB filesystem access, which allows context-dependent attackers to read arbitrary files via (1) a session over a Wi-Fi network or (2) a session over a USB connection in Development Mode.
packetstormsecurity.com/files/127850
packetstormsecurity.com/files/127850/BlackBerry-Z10-Authentication-Bypass.html
secunia.com/advisories/60156
www.blackberry.com/btsc/KB36174
www.modzero.ch/advisories/MZ-13-04-Blackberry_Z10-File-Exchange-Authentication-By-Pass.txt
www.securityfocus.com/archive/1/533118/100/0/threaded
www.securityfocus.com/bid/69217
exchange.xforce.ibmcloud.com/vulnerabilities/95262
exchange.xforce.ibmcloud.com/vulnerabilities/95263