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CVE-2023-21237

Medium 5.5 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Android Pixel Information Disclosure Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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

Metrics

CVSS 3.1
5.5 (MEDIUM) Score source: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS — exploit probability
0% (percentile: 19) as of 2 November 2026
CWE
CWE-200

Affected products

google: android

References