What is CVE-2023-21237?

CVE-2023-21237 is a vulnerability in Android. Published 2023-06-28.

Is CVE-2023-21237 known to be exploited?

Yes. CVE-2023-21237 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-03-05), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.

Vulnerability in Android

CVE-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 priv…

EPSS: 0.010 (77.1th percentile) — read the EPSS interpretation.

Affected products

N/a Android — versions Android-13

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-03-05. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-03-26.

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

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

source.android.com/security/bulletin/pixel/2023-06-01

Frequently asked questions

What is CVE-2023-21237?: CVE-2023-21237 is a vulnerability in Android. Published 2023-06-28.
Is CVE-2023-21237 known to be exploited?: Yes. CVE-2023-21237 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-03-05), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.