CVE-2021-39807

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-12 · updated 2026-06-17
Weakness: CWE-269

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

Affected products

Android: 10.0, 11.0, 12.0, 12.1

References

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

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