The Passcode Lock implementation in Apple iOS before 6.1.3 does not properly manage the lock state, which allows physically proximate attackers to bypass an intended passcode requirement by leveraging an error in the emergency-call feature.

lockdownd in Lockdown in Apple iOS before 6.1.3 does not properly consider file types during the permission-setting step of a backup restoration, which allows local users to change the permissions of arbitrary files via a backup that contains a pathname with a symlink.

CalDAV in Apple iOS before 5 does not validate X.509 certificates for SSL sessions, which allows man-in-the-middle attackers to spoof calendar servers and obtain sensitive information via an arbitrary certificate.