What is CVE-2017-18654?

CVE-2017-18654 is a high-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 7.5/10. Published 2020-04-07.

How severe is CVE-2017-18654?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Google Android

CVE-2017-18654

An issue was discovered on Samsung mobile devices with M(6.0) and N(7.0, 7.1) software. An unauthenticated attacker can register a new security certificate. The Samsung ID is SVE-2017-9659 (September 2017).

Vulnerability class: Broken Authentication

Published 2020-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.3th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Android — versions 6.0, 7.0, 7.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2017-18654?: CVE-2017-18654 is a high-severity vulnerability in Google Android, classified under Improper Authentication. CVSS score: 7.5/10. Published 2020-04-07.
How severe is CVE-2017-18654?: High severity. CVSS v3 base score is 7.5 out of 10.