server/telecom/CallsManager.java in Telephony in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-04-01 does not properly consider whether a device is provisioned, which allows physically proximate attackers to bypass the Factory Reset Protection protection mechanism and delete data via unspecified vectors, aka internal bug 26303187.
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.