Vulnerability Details : 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
Published
2022-04-12 17:15:09
Updated
2022-04-20 14:54:54
Products affected by CVE-2021-39807
- cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39807
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39807
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-39807
-
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39807
-
https://source.android.com/security/bulletin/2022-04-01
Android Security Bulletin—April 2022 | Android Open Source ProjectPatch;Vendor Advisory
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