What is CVE-2019-20559?

CVE-2019-20559 is a low-severity vulnerability in Google Android, classified under Missing Authentication for Critical Function. CVSS score: 2.4/10. Published 2020-03-24.

How severe is CVE-2019-20559?

Low severity. CVSS v3 base score is 2.4 out of 10.

Auth bypass in Google Android

CVE-2019-20559

An issue was discovered on Samsung mobile devices with P(9.0) software. Gallery allows viewing of photos on the lock screen. The Samsung ID is SVE-2019-15055 (October 2019).

Vulnerability class: Broken Authentication

Published 2020-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 9.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2019-20559?: CVE-2019-20559 is a low-severity vulnerability in Google Android, classified under Missing Authentication for Critical Function. CVSS score: 2.4/10. Published 2020-03-24.
How severe is CVE-2019-20559?: Low severity. CVSS v3 base score is 2.4 out of 10.