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CVE-2023-21138

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In onNullBinding of CallRedirectionProcessor.java, there is a possible long lived connection due to improper input validation. This could lead to local escalation of privilege and background activity launches with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-273260090

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
n/a	Android	Android-11 Android-12 Android-12L Android-13

References

Timeline

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

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CVE-2023-21138: High severity, CVSS 7.8 | Vulnix