CVE-2023-21156

Name: CVE-2023-21156
Creator: NVD / NIST
Published: 2023-06-28T18:15:13.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2023-21156 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. In BuildGetRadioNode of protocolmiscbulider.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure from the modem with System execution privileges needed. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

In BuildGetRadioNode of protocolmiscbulider.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure from the modem with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-264540759References: N/A

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.09%

0.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Google	Android	All versions

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-2023-21156?

How severe is CVE-2023-21156?

CVE-2023-21156 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21156?

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-2023-21156?

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

Scan your code now

Source: NVD / NIST