CVE-2020-9083 Denial of service in HUAWEI Mate 20

Low 2.4 Published 3 Sep 2020 Updated 4 Aug 2024

An attacker can cause a denial of service on Huawei Mate 20 devices by entering excessive text due to insufficient parameter verification.

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-2020-9083?

CVE-2020-9083 is a low-severity denial of service vulnerability in HUAWEI Mate 20, published on 3 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

HUAWEI Mate 20 smart phones with Versions earlier than 10.1.0.163(C00E160R3P8) have a denial of service (DoS) vulnerability. The attacker can enter a large amount of text on the phone. Due to insufficient verification of the parameter, successful exploitation can impact the service.

Which versions are affected by CVE-2020-9083?

It affects 1 product.

Products include Huawei Mate 20 Firmware.

How do I fix CVE-2020-9083?

No fix has been published for CVE-2020-9083 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-9083 being exploited?

There is no known exploitation of CVE-2020-9083 in the wild and no public exploit code.

Sources

Also known as GHSA-3hhq-c6rx-g7fq.