CVE-2021-0386

Name: CVE-2021-0386
Creator: NVD / NIST
Published: 2021-03-10T17:15:13.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2021-0386 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In onCreate of UsbConfirmActivity, there is a possible tapjacking vector due to an insecure default value. This could lead to local escalation of privilege with User execution privileges needed. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

In onCreate of UsbConfirmActivity, there is a possible tapjacking vector due to an insecure default value. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-173421110

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.35%

26.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1021

Affected Software

Vendor	Product	Versions
Google	Android	11.0

References

https://source.android.com/security/bulletin/pixel/2021-03-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-03-01Patch, Vendor Advisory

Timeline

Published: Mar 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0386?

How severe is CVE-2021-0386?

CVE-2021-0386 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0386?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-0386?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST