CVE-2021-37080 Denial of service in HarmonyOS

High 7.5 Published Updated

Incomplete cleanup in Huawei HarmonyOS allows attackers to impact system availability, requiring a security patch.

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-2021-37080?

CVE-2021-37080 is a high-severity denial of service vulnerability in Huawei Harmonyos, published on 7 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a Incomplete Cleanup vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to availability affected.

Weakness: CWE-459

Which versions are affected by CVE-2021-37080?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-37080?

No fix has been published for CVE-2021-37080 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-2021-37080 being exploited?

There is no known exploitation of CVE-2021-37080 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-34v8-w8fc-vfgr.

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