Vulnerability · CVE-2023-21237
Android Pixel Information Disclosure Vulnerability
Published Jun 13, 2023 · catalog updated Jun 16, 2026 · Android Pixel
Patch now
CVE-2023-21237 is in the CISA known-exploited catalog, due Mar 26, 2024. Confirm Android Pixel against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Medium5.5
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 0.27%
- Remediation
- Remediation guidance
- Affected products
- cpe google/android · vendor 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
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe google/android13.0
- vendor Android Pixelversion unspecified
How to fix CVE-2023-21237
Recommended remediation
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA due date Mar 26, 2024.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2023-21237 is in the CISA known-exploited catalog, due Mar 26, 2024. Confirm Android Pixel against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with 13.0. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
What should an analyst verify?
CWE-200: Exposure of Sensitive Information. EPSS 0.27%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 28, 2023 · Catalog
Detected
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
Mar 5, 2024 · CISA KEV
Known exploited
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Mar 26, 2024 · CISA KEV
Remediation due
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Jun 16, 2026 · Catalog
Updated
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
Sources
- CISA KEVConfirmed exploitationCVE-2023-21237
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.
cisa.gov - CVE.orgVulnerability recordCVE-2023-21237
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-21237
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-2023-21237
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 ne
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2023-21237
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.
vulncheck.com
References
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.