CVE-2022-20451 Missing authorization in Android

High 7.8 Published Updated

A missing permission check in Android's CallsManager allows local attackers to escalate privileges via call redirection.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2022-20451?

CVE-2022-20451 is a high-severity missing authorization vulnerability in Google Android, published on 8 Nov 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In onCallRedirectionComplete of CallsManager.java, there is a possible permissions bypass due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-235098883

Weakness: CWE-862

Which versions are affected by CVE-2022-20451?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20451?

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-2022-20451 being exploited?

There is no known exploitation of CVE-2022-20451 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-235098883, ASB-A-235098883, GHSA-692h-3jrr-4265.

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