CVE-2023-21138

HIGH

Android 11-13 - Local Privilege Escalation via CallRedirectionProcessor Input Validation

Title source: llm
STIX 2.1

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

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0008
EPSS Percentile 0.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20 CWE-276
Status published
Products (4)
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
Published Jun 15, 2023
Tracked Since Feb 18, 2026