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CVE-2025-21045

MEDIUM
5.5
CVSS Score
Published: October 10, 2025 at 06:33 AM UTC
Updated: October 8, 2026 at 01:10 PM UTC
1 product affected across 1 vendorWear OS· also runs on 10 platforms

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Insecure storage of sensitive information in Galaxy Watch prior to SMR Oct-2025 Release 1 allows local attackers to access sensitive information.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wear OS· Samsung
95%
5.0
samsung-galaxy-watch (environment) · samsung-galaxy-watch-4 (environment) · samsung-galaxy-watch-4-classic (environment) · samsung-galaxy-watch-5 (environment) · samsung-galaxy-watch-5-pro (environment) · samsung-galaxy-watch-6 (environment) · samsung-galaxy-watch-6-classic (environment) · samsung-galaxy-watch-7 (environment) · samsung-galaxy-watch-fe (environment) · samsung-galaxy-watch-ultra (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=10

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-922

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