CVE-2025-20984

Local data access via incorrect default permissions

Published Jun 4, 2025 · Updated Jun 4, 2025

Incorrect default permissions in Samsung Mobile Devices before SMR Jun-2025 Release 1 allow local users to access Galaxy Watch cloud data. Samsung identifies the locus only as Samsung Cloud for Galaxy Watch and does not disclose which permission is misassigned or which operation exposes the data. The attacker needs local execution on an Android Watch 14 device, with no prior privileges or user interaction; the public record does not identify the exposed data.

CVSS severity6.2
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect default permissions in Samsung Mobile Devices before SMR Jun-2025 Release 1 allow local users to access Galaxy Watch cloud data. Samsung identifies the locus only as Samsung Cloud for Galaxy Watch and does not disclose which permission is misassigned or which operation exposes the data. The attacker needs local execution on an Android Watch 14 device, with no prior privileges or user interaction; the public record does not identify the exposed data.

The record

CVE
CVE-2025-20984
Published
Jun 4, 2025
Updated
Jun 4, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-276, T1530
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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 vectorlocal
Required privilegesunauthenticated

What is affected?

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

Published CVSS scores

6.8Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
6.2NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:L/PR:N/UI:N/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1530Data from Cloud Storage

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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