CVE-2022-20451 Missing authorization in Android
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.
Other vulnerabilities in Google Android
Sources
Also known as A-235098883, ASB-A-235098883, GHSA-692h-3jrr-4265.