CVE-2023-21237

KEVAndroid Pixel Information Disclosure Vulnerability

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.

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 3.1 vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

PublishedJun 28, 2023

Last modifiedJun 17, 2026

Added to KEVMar 5, 2024

Remediation dueMar 26, 2024

References

source.android.com/security/bulletin/pixel/2023-06-01Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21237Third Party AdvisoryUS Government Resource

0 recent articles mention this CVE

Risk assessment · Medium

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 946 days
CVSS: 5.5 MEDIUM
EPSS (30-day exploit probability): 0.27% · top 82% of all CVEs
Weakness: NVD-CWE-noinfo

Recommended actions

1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.