CVE-2020-9203 Denial of service in HUAWEI P30

Low 3.3 Published 13 Jan 2021 Updated 4 Aug 2024

Local attackers can disrupt application functionality by constructing malicious broadcast messages, degrading user experience on Huawei P30 devices.

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

What is CVE-2020-9203?

CVE-2020-9203 is a low-severity denial of service vulnerability in HUAWEI P30, published on 13 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is a resource management errors vulnerability in Huawei P30. Local attackers construct broadcast message for some application, causing this application to send this broadcast message and impact the customer's use experience.

Weakness: CWE-400

Which versions are affected by CVE-2020-9203?

It affects 1 product.

Products include Huawei P30 Firmware.

How do I fix CVE-2020-9203?

No fix has been published for CVE-2020-9203 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-2020-9203 being exploited?

There is no known exploitation of CVE-2020-9203 in the wild and no public exploit code.

Sources

Also known as GHSA-p53p-8qcj-mq4g.