CVE-2023-21086

HIGH

Android - Privilege Escalation

Title source: llm
STIX 2.1

Description

In isToggleable of SecureNfcEnabler.java and SecureNfcPreferenceController.java, there is a possible way to enable NFC from a secondary account due to a permissions bypass. This could lead to local escalation of privilege from the Guest account with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-238298970

Exploits (1)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/packages_apps_Settings_CVE-2023-21086

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0001
EPSS Percentile 3.4%
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

Status published
Products (4)
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
Published Apr 19, 2023
Tracked Since Feb 18, 2026