CVE-2022-44552 Denial of service in EMUI

High 7.5 Published 9 Nov 2022 Updated 1 May 2025

A defect in the lock screen module allows attackers to compromise system availability, affecting Huawei EMUI and HarmonyOS users.

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-2022-44552?

CVE-2022-44552 is a high-severity denial of service vulnerability in Huawei Emui, published on 9 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The lock screen module has defects introduced in the design process. Successful exploitation of this vulnerability may affect system availability.

Weakness: CWE-404

Which versions are affected by CVE-2022-44552?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-44552?

No fix has been published for CVE-2022-44552 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-2022-44552 being exploited?

There is no known exploitation of CVE-2022-44552 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-57w2-43hc-hjm2.