Is CVE-2023-21237 actively exploited?

CVE-2023-21237 has no public evidence of in-the-wild exploitation as of 2025-10-23.

What is the CVSS score for CVE-2023-21237?

CVE-2023-21237 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2023-21237?

Patch guidance is available from google security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-21237.

CVE-2023-21237 - remediation guidance & executive summary

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: NVD-CWE-noinfoCWE-200 · Information Disclosure

Metadata

Primary Vendor: GOOGLE
Published: 6/28/2023
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-21237

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary