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CVE-2023-21109

In multiple places of AccessibilityService, there is a possible way to hide the app from the user...

7.8 HighPublic exploitFix available

In multiple places of AccessibilityService, there is a possible way to hide the app from the user due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261589597

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.13%Up 0.1 points since May 16, 2023
90%50%10%1%

What each source reports

NVD Score used 7.8

In multiple places of AccessibilityService, there is a possible way to hide the app from the user due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261589597

Record
CVE-2023-21109
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-326
Updated
2026-11-02
CVE List 7.8

In multiple places of AccessibilityService, there is a possible way to hide the app from the user due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261589597

Record
CVE-2023-21109
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-326
Updated
2026-11-02
EUVDEUVD-2023-25277 7.8

In multiple places of AccessibilityService, there is a possible way to hide the app from the user due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261589597

Record
EUVD-2023-25277
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-mxfc-hgc2-6wxg 7.8

In multiple places of AccessibilityService, there is a possible way to hide the app from the user...

In multiple places of AccessibilityService, there is a possible way to hide the app from the user due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-261589597

Record
GHSA-mxfc-hgc2-6wxg
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-326
Updated
2026-11-02
OSVASB-A-261589597 No score

In multiple places of AccessibilityService, there is a possible way to hide the app from the user due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Record
ASB-A-261589597
Updated
2026-11-09

Affected products

Affected packages

Affected packages
PackageAffectedFixed
platform/frameworks/base
Android
13-next:0 up to 13-next:2023-05-01, plus listed versions
13-next
13-next:2023-05-01
platform/frameworks/base
Android
11:0 up to 11:2023-05-01, plus listed versions
11
11:2023-05-01
platform/frameworks/base
Android
12:0 up to 12:2023-05-01, plus listed versions
12
12:2023-05-01
platform/frameworks/base
Android
12L:0 up to 12L:2023-05-01, plus listed versions
12L
12L:2023-05-01
platform/frameworks/base
Android
13:0 up to 13:2023-05-01, plus listed versions
13
13:2023-05-01

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubTrinadh465/frameworks_base_AOSP10_r33_CVE-2023-211092023-11-18

History

History
RecordedChangedSources
factsOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-21109 is a high vulnerability (CVSS 7.8) in Google Android, published May 1, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in platform/frameworks/base 13-next:2023-05-01.

References

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