CVE-2021-0388

Name: CVE-2021-0388
Creator: NVD / NIST
Published: 2021-03-10T17:15:13.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2021-0388 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In onReceive of ImsPhoneCallTracker.java, there is a possible misattribution of data usage due to an incorrect broadcast handler. This could lead to local escalation of privilege resulting in attributing video call data to the wrong app, with no additional execution privileges needed. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

In onReceive of ImsPhoneCallTracker.java, there is a possible misattribution of data usage due to an incorrect broadcast handler. This could lead to local escalation of privilege resulting in attributing video call data to the wrong app, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-162741489

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.11%

1.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

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-2021-0388?

How severe is CVE-2021-0388?

CVE-2021-0388 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0388?

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-2021-0388?

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

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Source: NVD / NIST