CVE-2021-0400

Name: CVE-2021-0400
Creator: NVD / NIST
Published: 2021-04-13T19:15:12.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2021-0400 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In injectBestLocation and handleUpdateLocation of GnssLocationProvider.java, there is a possible incorrect reporting of location data to emergency services due to improper input validation. This could lead to incorrect reporting of location data to emergency services with User execution privileges needed. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

In injectBestLocation and handleUpdateLocation of GnssLocationProvider.java, there is a possible incorrect reporting of location data to emergency services due to improper input validation. This could lead to incorrect reporting of location data to emergency services with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-177561690

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.13%

2.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Google	Android	9.0
Google	Android	10.0
Google	Android	11.0

References

https://source.android.com/security/bulletin/2021-04-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/2021-04-01Patch, Vendor Advisory

Timeline

Published: Apr 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0400?

How severe is CVE-2021-0400?

CVE-2021-0400 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0400?

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-2021-0400?

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

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Source: NVD / NIST