CVE-2022-20503 Missing authorization in Android

High 7.8 Published Updated

A missing permission check in Android's Wi-Fi DPP configurator allows local attackers to add Wi-Fi configurations, leading to privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-20503?

CVE-2022-20503 is a high-severity missing authorization vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In onCreate of WifiDppConfiguratorActivity.java, there is a possible way for a guest user to add a WiFi configuration due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-224772890

Weakness: CWE-862

Which versions are affected by CVE-2022-20503?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20503?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-20503 being exploited?

There is no known exploitation of CVE-2022-20503 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-224772890, GHSA-g2f4-5qvj-4mpw, PUB-A-224772890.

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