What is CVE-2018-21046?

CVE-2018-21046 is a low-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 2.4/10. Published 2020-04-08.

How severe is CVE-2018-21046?

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

Auth bypass in Google Android

CVE-2018-21046

An issue was discovered on Samsung mobile devices with O(8.x) software. There is clipboard Data Exposure via the Emergency Dialer upon connecting a USB device. The Samsung ID is SVE-2018-12911 (November 2018).

Vulnerability class: Broken Access Control

Published 2020-04-08 · 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 8.0, 8.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2018-21046?: CVE-2018-21046 is a low-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 2.4/10. Published 2020-04-08.
How severe is CVE-2018-21046?: Low severity. CVSS v3 base score is 2.4 out of 10.