Vulnerability in Samsung Mobile Wcsextension For Galaxy Watch

CVE-2025-21023

Improper access control in WcsExtension for Galaxy Watch prior to Android Watch 16 allows local attackers to access sensitive information.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-21023: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

References

Frequently asked questions

What is CVE-2025-21023?
CVE-2025-21023 is a low-severity vulnerability in Samsung Mobile Wcsextension For Galaxy Watch, classified under CWE-284: IMPROPER ACCESS CONTROL. CVSS score: 3.3/10. Published 2025-08-06.
How severe is CVE-2025-21023?
Low severity. CVSS v3 base score is 3.3 out of 10.