CVE-2021-39807

HIGH

Android - Local Privilege Escalation via SecureNfcEnabler Permission Bypass

Title source: llm

Description

In handleNfcStateChanged of SecureNfcEnabler.java, there is a possible way to enable NFC from the Guest account due to a missing permission check. 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-10 Android-11 Android-12 Android-12LAndroid ID: A-209446496

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/2022-04-01

Scores

CVSS v3 7.8

EPSS 0.0010

EPSS Percentile 1.2%

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 (4)

google/android 10.0

google/android 11.0

google/android 12.0

google/android 12.1

Published Apr 12, 2022

Tracked Since Feb 18, 2026