CVE-2025-21037

Cross-profile data disclosure

Published Sep 3, 2025 · Updated Sep 3, 2025

Improper access control in Samsung Notes before 4.4.30.63 allows physically proximate attackers to access data across user profiles. Samsung has not published the affected component or the access-control operation that mishandles profile boundaries. Exploitation requires physical access, low privileges, and user interaction, and the documented consequence is cross-profile data disclosure only.

CVSS severity4.1
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Samsung Notes before 4.4.30.63 allows physically proximate attackers to access data across user profiles. Samsung has not published the affected component or the access-control operation that mishandles profile boundaries. Exploitation requires physical access, low privileges, and user interaction, and the documented consequence is cross-profile data disclosure only.

The record

CVE
CVE-2025-21037
Published
Sep 3, 2025
Updated
Sep 3, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Notes
Classifications
T1005
Attack vector
physical
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung NotesAffected versions are unavailable in this record.

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.1Samsung MobileCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorphysical
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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