IRONSMITHINTEL
MEDIUMCVSS5.5
|
Actively Exploited
|CISA KEV|CVE-2023-21237|Auth: low — authenticated user|Reboot: required|Manual only

Android Pixel Information Disclosure Vulnerability

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.

Published Jun 28, 2023 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A local attacker, with a low-privilege account, can achieve full data confidentiality loss. Federal agencies are required to remediate by 2024-03-26 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Information Disclosure (CWE-200) vulnerability in Android Pixel. 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 Exploitation requires local access, low attack complexity, a low-privilege authenticated account, and no user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running android: 13.0
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2024-03-05 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2024-03-26.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

    1
    Vendor advisory: https://source.android.com/docs/security/bulletin/pixel/2023-06-01
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2023-21237
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21237
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