What is CVE-2019-20597?

CVE-2019-20597 is a critical-severity vulnerability in Google Android, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2020-03-24.

How severe is CVE-2019-20597?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Google Android

CVE-2019-20597

An issue was discovered on Samsung mobile devices with N(7.1), O(8.x), and P(9.0) software. SPENgesture allows arbitrary applications to read or modify user-input logs. The Samsung ID is SVE-2019-14170 (June 2019).

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

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.1% 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 7.1.0, 8.0, 8.1

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

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

Frequently asked questions

What is CVE-2019-20597?: CVE-2019-20597 is a critical-severity vulnerability in Google Android, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2020-03-24.
How severe is CVE-2019-20597?: Critical severity. CVSS v3 base score is 9.1 out of 10.