CVE-2010-1775
Race condition in Passcode Lock in Apple iOS before 4 on the iPhone and iPod touch allows physically proximate attackers to bypass intended passcode requirements, and pair a locked device with a computer and access arbitrary data, via vectors involving the initial boot.
Date published : 2010-06-22
http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html