Apple releases iOS 6.1.3, fixes lock screen bypass bug
Apple releases iOS 6.1.3 update to address multiple security issues including lock screen bypass bug.
A person with physical access to the device were able to bypass the iPhone and iPad screen lock in earlier version of the iOS mobile operating system. According to apple this issue was addressed in iOS 6.1.3 through improved lock state management.
Read more about this update here: http://support.apple.com/kb/HT5704
Update Details Page: