The Lenovo Help Android app versions earlier than 6.1.2.0327 had insufficient access control for some functions which, if exploited, could have led to exposure of approximately 400 email addresses and 8,500 IMEI.

Lenovo Help Android mobile app versions earlier than 6.1.2.0327 allowed information to be transmitted over an HTTP channel, permitting others observing the channel to potentially see this information.