CVE-2020-0052 Auth bypass in Android
An attacker with local access can bypass lock screen permissions to send SMS messages, leading to privilege escalation on Android devices.
- 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-2020-0052?
CVE-2020-0052 is a medium-severity authentication bypass vulnerability in Google Android, published on 10 Mar 2020. 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 smsSelected of AnswerFragment.java, there is a way to send an SMS from the lock screen due to a permissions bypass. This could lead to local escalation of privilege on the lock screen with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-137102479
Weakness: CWE-306
Which versions are affected by CVE-2020-0052?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2020-0052?
No fix has been published for CVE-2020-0052 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-2020-0052 being exploited?
There is no known exploitation of CVE-2020-0052 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-xr9q-p253-xqxh.