CVE-2021-39742 Missing authorization in Android
A missing permission check in Android Voicemail allows local attackers to retrieve trackable identifiers, leading to information disclosure.
- 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
- None listed
What is CVE-2021-39742?
CVE-2021-39742 is a medium-severity missing authorization vulnerability in Google Android, published on 30 Mar 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 Voicemail, there is a possible way to retrieve a trackable identifier due to a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-186405602
Weakness: CWE-862
Which versions are affected by CVE-2021-39742?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39742?
No fix has been published for CVE-2021-39742 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-39742 being exploited?
There is no known exploitation of CVE-2021-39742 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-w54g-6ff7-7qvj.