What is CVE-2020-0199?

CVE-2020-0199 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.1/10. Published 2020-06-11.

How severe is CVE-2020-0199?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Use After Free in Google Android

CVE-2020-0199

In TimeCheck::TimeCheckThread::threadLoop of TimeCheck.cpp, there is a possible use-after-free due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-142142406

Vulnerability class: Race Condition

Published 2020-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.8% 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 10.0
Android — versions Android-10

Weakness classification (CWE)

References

source.android.com/security/bulletin/pixel/2020-06-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0199?: CVE-2020-0199 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.1/10. Published 2020-06-11.
How severe is CVE-2020-0199?: Medium severity. CVSS v3 base score is 4.1 out of 10.