CVE-2021-39768 Missing authorization in Android
A missing permission check in Android Settings allows local attackers to add auto-connect WiFi networks without user consent, leading to privilege escalation.
- 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-2021-39768?
CVE-2021-39768 is a high-severity missing authorization vulnerability in Google Android, published on 30 Mar 2022. 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 Settings, there is a possible way to add an auto-connect WiFi network without the user's consent 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-12LAndroid ID: A-202017876
Weakness: CWE-862
Which versions are affected by CVE-2021-39768?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39768?
No fix has been published for CVE-2021-39768 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-39768 being exploited?
There is no known exploitation of CVE-2021-39768 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as GHSA-57m3-22m9-w7pq.