What is CVE-2018-21080?

CVE-2018-21080 is a medium-severity vulnerability in Google Android, classified under Inadequate Encryption Strength. CVSS score: 4.6/10. Published 2020-04-08.

How severe is CVE-2018-21080?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Google Android

CVE-2018-21080

An issue was discovered on Samsung mobile devices with N(7.x) software. A physically proximate attacker wielding a magnet can activate NFC to bypass the lockscreen. The Samsung ID is SVE-2017-10897 (March 2018).

Published 2020-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.6% 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 7.0, 7.1.0, 7.1.1

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

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

Frequently asked questions

What is CVE-2018-21080?: CVE-2018-21080 is a medium-severity vulnerability in Google Android, classified under Inadequate Encryption Strength. CVSS score: 4.6/10. Published 2020-04-08.
How severe is CVE-2018-21080?: Medium severity. CVSS v3 base score is 4.6 out of 10.