CVE-2021-39783

HIGH

Android 12L - Local Privilege Escalation via rcsservice TTY Mode Modification

Title source: llm
STIX 2.1

Description

In rcsservice, there is a possible way to modify TTY mode due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-197960597

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0010
EPSS Percentile 1.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-269
Status published
Products (1)
google/android 12.0
Published Mar 30, 2022
Tracked Since Feb 18, 2026