CVE-2021-22421 Privilege escalation in HarmonyOS

High 7.8 Published Updated

Local attackers can exploit an improper privilege management flaw in HarmonyOS to elevate their privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-22421?

CVE-2021-22421 is a high-severity vulnerability in Huawei Harmonyos, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A component of the HarmonyOS has a Improper Privilege Management vulnerability. Local attackers may exploit this vulnerability to cause further Elevation of Privileges.

Weakness: CWE-269

Which versions are affected by CVE-2021-22421?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2021-22421?

No fix has been published for CVE-2021-22421 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-22421 being exploited?

There is no known exploitation of CVE-2021-22421 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-93qq-xhq9-w7qc.

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