CVE-2023-21237 : In applyRemoteView of NotificationContentInflater.java, there is a possible way

In applyRemoteView of NotificationContentInflater.java, there is a possible way to hide foreground service notification due to misleading or insufficient UI. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-251586912

Published 2023-06-28 18:15:17

Updated 2025-03-26 16:32:44

Source Android (associated with Google Inc. or Open Handset Alliance)

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2023-21237

Google » Android » Version: 13.0
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Matching versions

CVE-2023-21237 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:

Android Pixel Information Disclosure Vulnerability

CISA required action:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA description:

Android Pixel contains a vulnerability in the Framework component, where the UI may be misleading or insufficient, providing a means to hide a foreground service notification. This could enable a local attacker to disclose sensitive information.

Notes:

https://source.android.com/docs/security/bulletin/pixel/2023-06-01; https://nvd.nist.gov/vuln/detail/CVE-2023-21237

Added on 2024-03-05 Action due date 2024-03-26

Exploit prediction scoring system (EPSS) score for CVE-2023-21237

EPSS FAQ

2.50%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 85 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-21237

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.2	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	2.5	3.6	134c704f-9b21-4f2e-91b3-4a467353bcc0	2024-07-08
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2023-21237

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

References for CVE-2023-21237

https://source.android.com/security/bulletin/pixel/2023-06-01

Pixel Update Bulletin—June 2023 | Android Open Source Project
Vendor Advisory

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