CVE-2020-1797 Missing authorization in HUAWEI Mate 20

Low 2.4 Published 29 May 2020 Updated 4 Aug 2024

Attackers with ADB access can bypass digital balance limits on Huawei Mate 20 devices due to improper authorization checks.

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-2020-1797?

CVE-2020-1797 is a low-severity missing authorization vulnerability in HUAWEI Mate 20, published on 29 May 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 10.0.0.185(C00E74R3P8) have an improper authorization vulnerability. The system does not properly restrict certain operation in ADB mode, successful exploit could allow certain user break the limit of digital balance function.

Which versions are affected by CVE-2020-1797?

It affects 1 product.

Products include Huawei Mate 20 Firmware.

How do I fix CVE-2020-1797?

No fix has been published for CVE-2020-1797 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-2020-1797 being exploited?

There is no known exploitation of CVE-2020-1797 in the wild and no public exploit code.

Sources

Also known as GHSA-4gjw-vw5v-r346.