CVE-2021-39618 Privilege escalation in Android
Local attackers can install existing packages without user consent via unsafe PendingIntent in EuiccNotificationManager, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-39618?
CVE-2021-39618 is a high-severity vulnerability in Google Android, published on 14 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In multiple methods of EuiccNotificationManager.java, there is a possible way to install existing packages without user consent due to an unsafe PendingIntent. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-196855999
Which versions are affected by CVE-2021-39618?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39618?
Apply the vendor's patch.
Is CVE-2021-39618 being exploited?
There is no known exploitation of CVE-2021-39618 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-196855999, ASB-A-196855999, GHSA-6422-47gp-w7v8.