CVE-2023-21116

MediumCVSS 6.7/10Last modified Jun 17, 2026

Description

In verifyReplacingVersionCode of InstallPackageHelper.java, there is a possible way to downgrade system apps below system image version due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256202273

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-863

Affected software

No affected versions have been published.

Timeline

Published
May 15, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-21116: Medium severity, CVSS 6.7 | Vulnix