CVE-2021-39808 json
In createNotificationChannelGroup of PreferencesHelper.java, there is a possible way for a service to run in foreground without user notifi…
published 2022-04-12 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26165
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
In createNotificationChannelGroup of PreferencesHelper.java, there is a possible way for a service to run in foreground without user notification due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209966086
Patch / fix
Exploit prediction
0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a Android
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
source.android.com
/security/bulletin/2022-04-01
patch, vendor-advisory
Sources
- CVE List CVE-2021-39808
- NVD CVE-2021-39808
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