Apple’s iPhone can be locked with a four-digit code, but can be used to make calls to any number. If the owner of the phone has favorite entries in their address book containing URLs, e-mail addresses or mobile phone numbers, they can be accessed without the need to enter the unlock code. The security flaw was revealed by a member of the MacRumors.com forum. An Apple spokeswoman in London said she would look into the security flaw in the latest version of the iPhone software.”]
Source: https://www.csoonline.com/article/2123152/iphones-can-be-unlocked-without-password.html