CVE-2021-22480 Integer overflow in HarmonyOS

Critical 9.8 Published 25 Feb 2022 Updated 3 Aug 2024

An integer overflow in a HarmonyOS module interface can lead to heap memory overflow, potentially allowing code execution or denial of service.

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-2021-22480?

CVE-2021-22480 is a critical vulnerability in Huawei Harmonyos, published on 25 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.

Weakness: CWE-190

Which versions are affected by CVE-2021-22480?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-22480?

No fix has been published for CVE-2021-22480 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-22480 being exploited?

There is no known exploitation of CVE-2021-22480 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-6qwq-gh52-w4xj.