CVE-2025-21045

Local sensitive-information disclosure via insecure storage

Published Oct 10, 2025 · Updated Oct 10, 2025

Insecure storage in Samsung Galaxy Watch on Android Watch 14 before SMR Oct-2025 Release 1 allows local attackers to read sensitive data. Samsung has not disclosed the affected file, component, or data type; it states only that the storage path saved sensitive information insecurely. Local access to the watch is required, and the reported consequence is disclosure only, with no integrity or availability impact.

CVSS severity4.0
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Insecure storage in Samsung Galaxy Watch on Android Watch 14 before SMR Oct-2025 Release 1 allows local attackers to read sensitive data. Samsung has not disclosed the affected file, component, or data type; it states only that the storage path saved sensitive information insecurely. Local access to the watch is required, and the reported consequence is disclosure only, with no integrity or availability impact.

The record

CVE
CVE-2025-21045
Published
Oct 10, 2025
Updated
Oct 10, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-922, T1533
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 10, 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

4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-922Insecure Storage of Sensitive Information
T1533Data 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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo