CVE-2023-21271

Name: CVE-2023-21271
Creator: NVD / NIST
Published: 2023-08-14T22:15:12.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2023-21271 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In parseInputs of ShimPreparedModel.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

In parseInputs of ShimPreparedModel.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.09%

0.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Google	Android	12.0
Google	Android	12.1
Google	Android	13.0

References

Timeline

Published: Aug 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21271?

How severe is CVE-2023-21271?

CVE-2023-21271 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21271?

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-2023-21271?

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

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Source: NVD / NIST