CVE-2021-0594 Security feature bypass in Android
An attacker can bypass Bluetooth connection consent via NFC, tricking users into allowing unauthorized connections without additional privileges.
- 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-2021-0594?
CVE-2021-0594 is a high-severity vulnerability in Google Android, published on 14 Jul 2021. 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 onCreate of ConfirmConnectActivity, there is a possible remote bypass of user consent due to improper input validation. This could lead to remote (proximal, NFC) escalation of privilege allowing an attacker to deceive a user into allowing a Bluetooth connection with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-176445224
Weakness: CWE-74
Which versions are affected by CVE-2021-0594?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0594?
Apply the vendor's patch.
Is CVE-2021-0594 being exploited?
There is no known exploitation of CVE-2021-0594 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-176445224, ASB-A-176445224, GHSA-q85q-grxf-jgc9.