CVE-2020-0459 Missing authorization in Android
A missing permission check in Android's WiFi manager allows local attackers to disclose sensitive WiFi network names without user interaction or elevated privileges.
- 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-2020-0459?
CVE-2020-0459 is a low-severity missing authorization vulnerability in Google Android, published on 14 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In sendConfiguredNetworkChangedBroadcast of WifiConfigManager.java, there is a possible leak of sensitive WiFi configuration data due to a missing permission check. This could lead to local information disclosure of WiFi network names with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-8.0Android ID: A-159373687
Weakness: CWE-862
Which versions are affected by CVE-2020-0459?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2020-0459?
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-2020-0459 being exploited?
There is no known exploitation of CVE-2020-0459 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-159373687, ASB-A-159373687, GHSA-8hgw-v95f-3rr5.