In the ownCloud application before 2.15 for Android, the lock protection mechanism can be bypassed by moving the system date/time into the past.
{
"cpe": "cpe:2.3:a:owncloud:owncloud_client:*:*:*:*:*:android:*:*",
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.15"
}
]
}