CVE-2020-1807 Missing authorization in HUAWEI Mate 20

Low 3.5 Published 27 Apr 2020 Updated 4 Aug 2024

Attackers with ADB access can bypass app lock by modifying configuration files due to improper authorization checks in Huawei Mate 20 devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-1807?

CVE-2020-1807 is a low-severity missing authorization vulnerability in HUAWEI Mate 20, published on 27 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.188(C00E74R3P8) have an improper authorization vulnerability. The software does not properly restrict certain user's modification of certain configuration file, successful exploit could allow the attacker to bypass app lock after a series of operation in ADB mode.

Which versions are affected by CVE-2020-1807?

It affects 1 product.

Products include Huawei Mate 20 Firmware.

How do I fix CVE-2020-1807?

No fix has been published for CVE-2020-1807 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-1807 being exploited?

There is no known exploitation of CVE-2020-1807 in the wild and no public exploit code.

Sources

Also known as GHSA-q56q-qm7c-m966.