CVE-2019-15421 Missing authorization in n/a
A pre-installed factory mode app on Blackview devices allows any local app to modify wireless settings via a confused deputy attack.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15421?
CVE-2019-15421 is a low-severity missing authorization vulnerability in n/a, published on 14 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Blackview BV7000_Pro Android device with a build fingerprint of Blackview/BV7000_Pro/BV7000_Pro:7.0/NRD90M/1493011204:user/release-keys contains a pre-installed app with a package name of com.mediatek.factorymode app (versionCode=1, versionName=1) that allows unauthorized wireless settings modification via a confused deputy attack. This capability can be accessed by any app co-located on the device.
Weakness: CWE-610
Which versions are affected by CVE-2019-15421?
It affects 1 product.
Products include Blackview Bv7000 Pro Firmware.
How do I fix CVE-2019-15421?
No fix has been published for CVE-2019-15421 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-2019-15421 being exploited?
There is no known exploitation of CVE-2019-15421 in the wild and no public exploit code.
Sources
Also known as GHSA-hjj5-w5cq-mjq5.