CVE-2023-21237: Android Pixel Information Disclosure Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 251 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 0.3%
EPSS score, percentile 18.5 of all scored records
- How severe?
- 6.2 Medium
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
CISA deadline . Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- Android-13
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: .
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://source.android.com/docs/security/bulletin/pixel/2023-06-01
- https://nvd.nist.gov/vuln/detail/CVE-2023-21237
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | Android-13 |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this 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.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2023-21237 to its Known Exploited Vulnerabilities (KEV) catalog on 5 Mar 2024.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 26 Mar 2024.
- The CVE record was published on 28 Jun 2023, 251 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 6.2 (Medium), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.3% (percentile 18.5), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact partial.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
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
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |
References
More exploited Android vulnerabilities
- CVE-2025-48595: Android Framework Integer Overflow Vulnerability
- CVE-2025-48572: Android Framework Privilege Escalation Vulnerability
- CVE-2025-48633: Android Framework Information Disclosure Vulnerability
- CVE-2025-48543: Android Runtime Use-After-Free Vulnerability
- CVE-2024-43093: Android Framework Privilege Escalation Vulnerability
- CVE-2024-36971: Android Kernel Remote Code Execution Vulnerability