CVE-2021-37087 Path traversal in HarmonyOS

Critical 9.1 Published 7 Dec 2021 Updated 4 Aug 2024

Attackers can exploit a path traversal flaw in Huawei HarmonyOS to create arbitrary files on the device.

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-2021-37087?

CVE-2021-37087 is a critical path traversal 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 Path Traversal vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers can create arbitrary file.

Weakness: CWE-22

Which versions are affected by CVE-2021-37087?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-37087?

No fix has been published for CVE-2021-37087 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-2021-37087 being exploited?

There is no known exploitation of CVE-2021-37087 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-c359-88vr-m2f2.