CVE-2021-39694 Privilege escalation in Android
Local attackers can bypass user-denied permissions to escalate privileges in Android via a flaw in RoleParser.java.
- 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-2021-39694?
CVE-2021-39694 is a high-severity vulnerability in Google Android, published on 16 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In parse of RoleParser.java, there is a possible way for default apps to get permissions explicitly denied by the user due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-202312327
Weakness: CWE-276
Which versions are affected by CVE-2021-39694?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39694?
Apply the vendor's patch.
Is CVE-2021-39694 being exploited?
There is no known exploitation of CVE-2021-39694 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-202312327, ASB-A-202312327, GHSA-6777-pc6c-mfp9.