CVE-2020-0473 Auth bypass in Android

Medium 4.6 Published Updated

Local attackers with physical access can bypass Bluetooth permissions to transfer files to Android devices without user interaction.

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

What is CVE-2020-0473?

CVE-2020-0473 is a medium-severity authentication bypass vulnerability in Google Android, published on 15 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In updateIncomingFileConfirmNotification of BluetoothOppNotification.java, there is a possible permissions bypass. This could lead to local escalation of privilege allowing an attacker with physical possession of the device to transfer files to it over Bluetooth, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-160691486

Weakness: CWE-863

Which versions are affected by CVE-2020-0473?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0473?

No fix has been published for CVE-2020-0473 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-0473 being exploited?

There is no known exploitation of CVE-2020-0473 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-v2m8-9547-v9wg.

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