CVE-2021-22389 Missing authorization in EMUI

Critical 9.8 Published 2 Aug 2021 Updated 3 Aug 2024

Attackers can execute arbitrary code on Huawei smartphones due to a permission control vulnerability in the operating system.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-22389?

CVE-2021-22389 is a critical missing authorization vulnerability in Huawei Emui, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a Permission Control Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause certain codes to be executed.

Weakness: CWE-863

Which versions are affected by CVE-2021-22389?

It affects 2 products.

Products include Huawei Emui, Huawei Magic Ui.

How do I fix CVE-2021-22389?

No fix has been published for CVE-2021-22389 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-2021-22389 being exploited?

There is no known exploitation of CVE-2021-22389 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-4m6g-rphv-p56x.