CVE-2023-21171

Name: CVE-2023-21171
Creator: NVD / NIST
Published: 2023-06-28T18:15:14.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2023-21171 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. In verifyInputEvent of InputDispatcher.cpp, there is a possible way to conduct click fraud due to side channel information disclosure. This could lead to local escalation of privilege with System execution privileges needed. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

In verifyInputEvent of InputDispatcher.cpp, there is a possible way to conduct click fraud due to side channel information disclosure. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-261085213

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.10%

0.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Google	Android	13.0

References

https://source.android.com/security/bulletin/pixel/2023-06-01Vendor Advisory
https://source.android.com/security/bulletin/pixel/2023-06-01Vendor Advisory

Timeline

Published: Jun 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21171?

How severe is CVE-2023-21171?

CVE-2023-21171 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21171?

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-2023-21171?

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

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Source: NVD / NIST