Improper Authentication in Google Android - CVE-2019-20783

 

Improper Authentication in Google Android - CVE-2019-20783

Published: April 17, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34456
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-20783
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

An issue was discovered on LG mobile devices with Android OS 7.0, 7.1, 7.2, 8.0, and 8.1 (North America CDMA) software. The LTE protocol implementation allows a bypass of AKA (Authentication and Key Agreement). The LG ID is LVE-SMP-180014 (February 2019).


How to mitigate CVE-2019-20783

Install update from vendor's website.

Sources