What is CVE-2019-20777?

CVE-2019-20777 is a critical-severity vulnerability in Google Android. CVSS score: 9.8/10. Published 2020-04-17.

How severe is CVE-2019-20777?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Google Android

CVE-2019-20777

An issue was discovered on LG mobile devices with Android OS 7.0, 7.1, 7.2, 8.0, 8.1, and 9.0 software. WapService mishandles OTA Provisioning on V40 and G7 devices. The LG ID is LVE-SMP-190006 (July 2019).

Published 2020-04-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Google Android — versions 7.0, 7.1, 7.2
LG G7
LG V40

References

lgsecurity.lge.com/ (Vendor Advisory)

Frequently asked questions

What is CVE-2019-20777?: CVE-2019-20777 is a critical-severity vulnerability in Google Android. CVSS score: 9.8/10. Published 2020-04-17.
How severe is CVE-2019-20777?: Critical severity. CVSS v3 base score is 9.8 out of 10.