HUAWEI Mate 20 smartphones versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. The system has a logic error under certain scenario, successful exploit could allow the attacker who gains the privilege of guest user to access to the host users desktop in an instant, without unlocking the screen lock of the host user.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mate_20_firmware | Huawei | * | 9.1.0.139(c00e133r3p1) (excluding) |