Google Android 11.0/12.0/13.0 AccessibilityService Local Privilege Escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Google Android 11.0/12.0/13.0. The impacted element is an unknown function of the component AccessibilityService. Performing a manipulation results in an unknown weakness. This vulnerability is reported as CVE-2023-21109. The attack requires a local approach. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Google Android 11.0/12.0/13.0 (Smartphone Operating System). It has been classified as problematic. This affects some unknown processing of the component AccessibilityService. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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

The weakness was disclosed 05/16/2023 as A-261589597. The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2023-21109 since 11/03/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/13/2025). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25277). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2022 🔍
05/16/2023 +193 days 🔍
05/16/2023 +0 days 🔍
09/13/2025 +851 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-261589597
Status: Confirmed

CVE: CVE-2023-21109 (🔍)
GCVE (CVE): GCVE-0-2023-21109
GCVE (VulDB): GCVE-100-229137
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 05/16/2023 08:21
Updated: 09/13/2025 16:12
Changes: 05/16/2023 08:21 (40), 06/09/2023 13:26 (11), 01/25/2025 03:17 (25), 09/13/2025 16:12 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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