NFC Privilege Escalation Vulnerability in SecureNfcEnabler.java

NFC Privilege Escalation Vulnerability in SecureNfcEnabler.java

CVE-2021-39807 · HIGH Severity

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

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

Learn more about our Cis Benchmark Audit For Google Android.