CVE-2021-1017 Missing authorization in Android
A missing permission check in Android's Bluetooth services allows local attackers to disable connections and escalate 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-2021-1017?
CVE-2021-1017 is a high-severity missing authorization vulnerability in Google Android, published on 15 Dec 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 AdapterService and GattService definition of AndroidManifest.xml, there is a possible way to disable bluetooth connection due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-182583850
Weakness: CWE-862
Which versions are affected by CVE-2021-1017?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-1017?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-1017 being exploited?
There is no known exploitation of CVE-2021-1017 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-182583850, GHSA-jrhj-xj93-7gg6, PUB-A-182583850.