CVE-2019-20783

Name: CVE-2019-20783
Creator: NVD / NIST
Published: 2020-04-17T14:15:17.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2019-20783 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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). EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.43%

34.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Android	7.0
Google	Android	7.1
Google	Android	7.2
Google	Android	8.0
Google	Android	8.1

References

https://lgsecurity.lge.com/Vendor Advisory
https://lgsecurity.lge.com/Vendor Advisory

Timeline

Published: Apr 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20783?

How severe is CVE-2019-20783?

CVE-2019-20783 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20783?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST