Security researcher and hacker, named John Gordon, has found an easy way to bypass the security of locked smartphones running Android 5.0 and 5.1 (Build LMY48M) The vulnerability, assigned CVE-2015-3860, has been dubbed as “Elevation of Privilege Vulnerability in Lockscreen” The secret behind the researcher’s “MAGIC TRICK” is as follows: Type a long string of numbers or special characters in the input field and copy-n-paste a large string continuously till its limit exhausts. After a moment, the app will crash and get you to the Home Screen of the device with all the encrypted and unencrypted data.
Source: https://thehackernews.com/2015/09/bypass-android-lockscreen.html