CVE-2021-39979 Code injection in HarmonyOS

Critical 9.8 Published 3 Jan 2022 Updated 4 Aug 2024

Attackers can inject code into the HHEE system, compromising its integrity.

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-2021-39979?

CVE-2021-39979 is a critical code injection vulnerability in Huawei Harmonyos, published on 3 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HHEE system has a Code Injection vulnerability.Successful exploitation of this vulnerability may affect HHEE system integrity.

Weakness: CWE-94

Which versions are affected by CVE-2021-39979?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-39979?

No fix has been published for CVE-2021-39979 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-39979 being exploited?

There is no known exploitation of CVE-2021-39979 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-qqw8-v3jh-hfv5.