CVE-2023-21017

Name: CVE-2023-21017
Creator: NVD / NIST
Published: 2023-03-24T20:15:13.183+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2023-21017 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In InstallStart of InstallStart.java, there is a possible way to change the installer package name due to an improper input validation. This could lead to local escalation of privilege with User execution privileges needed. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

In InstallStart of InstallStart.java, there is a possible way to change the installer package name due to an improper input validation. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236687884

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

0.10%

0.9th 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/2023-03-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/pixel/2023-03-01Patch, Vendor Advisory

Timeline

Published: Mar 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21017?

How severe is CVE-2023-21017?

CVE-2023-21017 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21017?

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-2023-21017?

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

Scan your code now

Source: NVD / NIST