CVE-2021-39704

mediumpriority · track · 41EPSS 0.002 · 10 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.20% (10th) EPSS

CVSS 4.6 · medium

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. 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-209965481

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–7.8

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-281USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

nanopathi/framework_base_AOSP10_r33_CVE-2021-39704nanopathi/framework_base_AOSP10_r33_CVE-2021-39704PoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

Google Androidall versionscert_bundDEcpe:/o:google:android:-
n/a Android≤ Android-10 Android-11 Android-12enisa_euvdEU
google android= 10.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 11.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 12.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0112Google Android: Mehrere Schwachstellen ermöglichen PrivilegieneskalationDeutsch2022-03-07csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um seine Privilegien zu erhöhen, vertrauliche Informationen offenzulegen, beliebigen Code zur Ausführung zu bringen und einen Denial-of-Service-Zustand auszulösen.
ASB-A-2099654812022-03-01vendor · osvUS
In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund nvd NVD CVE.org MITRE

published 2022-03-16modified 2026-06-17

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Related entries.

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+397 more

references (7)

External citations — patches, advisories, analysis.

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