CVE-2025-21023

Name: CVE-2025-21023
Creator: NVD / NIST
Published: 2025-08-06T05:15:35.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2025-21023 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. Improper access control in WcsExtension for Galaxy Watch prior to Android Watch 16 allows local attackers to access sensitive information.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

3.3/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=08

Timeline

Published: Aug 6, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-21023?

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

How severe is CVE-2025-21023?

CVE-2025-21023 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21023?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21023?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST