CVE-2021-37128 Path traversal in HarmonyOS

Critical 9.8 Published Updated

An attacker can exploit a path traversal vulnerability in HwPCAssistant to write arbitrary files on Huawei HarmonyOS devices.

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-2021-37128?

CVE-2021-37128 is a critical path traversal 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

HwPCAssistant has a Path Traversal vulnerability .Successful exploitation of this vulnerability may write any file.

Weakness: CWE-22

Which versions are affected by CVE-2021-37128?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-37128?

No fix has been published for CVE-2021-37128 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-37128 being exploited?

There is no known exploitation of CVE-2021-37128 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-26p6-46xq-35v9.

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