CVE-2023-21237

Exposure of Sensitive Information to an Unauthorized Actor

CVSS 3.1 Medium 6.2Known exploited (CISA KEV)

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

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

Key data

CVSS 3.1 Medium 6.2

Score published by CISA-ADP in the CVE record.

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

Attack vector: Local
The attacker needs local access to the system, or to trick a user into running something.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: None
No effect on the trustworthiness of data.
Availability impact: None
No effect on availability.

Metric	Value	What it means
Attack vector	Local	The attacker needs local access to the system, or to trick a user into running something.
Attack complexity	Low	No special conditions are needed. The attack can be repeated at will.
Privileges required	None	No account or privileges are needed.
User interaction	None	No action from any user is needed.
Scope	Unchanged	The impact stays within the vulnerable component.
Confidentiality impact	High	Serious or total effect on the secrecy of data.
Integrity impact	None	No effect on the trustworthiness of data.
Availability impact	None	No effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.00266 (0.3% probability)
Percentile: 18.6%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog: Android Pixel Information Disclosure Vulnerability
Added to the catalog: Mar 5, 2024
Federal due date: Mar 26, 2024

CISA assessment as of Mar 5, 2024

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation: Recorded by CISA as active
Automatable: no
Technical impact: partial

Weakness (CWE)

CWE catalog version 5.0.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Affected products

Products listed in the CVE record, as the CNA published them.

Android
- affected: Android-13

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

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

Timeline

ID reservedNov 3, 2022
Record publishedJun 28, 2023
Added to CISA KEVMar 5, 2024
Record last updatedOct 21, 2025

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:23 UTC. Sources and licenses