CVE-2021-39807

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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
google_androidCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
VendorProductVersion
googleandroid
10.0
googleandroid
11.0
googleandroid
12.0
googleandroid
12.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://source.android.com/security/bulletin/2022-04-01
https://source.android.com/security/bulletin/2022-04-01