CVE-2025-21023

LOWNVD 3.33.3—

3.3

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

CVSS v3: 3.3
EG Score: 3.3(medium)
EPSS: 1.6%
KEV: Not listed

Published

August 6, 2025

Last Modified

April 15, 2026

References (1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 64× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-16 17:52 UTCEPSS rescore
2026-06-15 17:48 UTCEPSS rescore
2026-06-14 23:17 UTCEPSS rescore
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2026-05-31 22:30 UTCEPSS rescore
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2026-05-29 13:44 UTCEPSS rescore
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2026-05-21 22:42 UTCEPSS rescore
2026-05-21 10:17 UTCEG score recompute
2026-05-21 10:17 UTCGHSA enrichment
2026-05-20 22:37 UTCEPSS rescore
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2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-21023?

CVE-2025-21023 is a low vulnerability published on August 6, 2025. Improper access control in WcsExtension for Galaxy Watch prior to Android Watch 16 allows local attackers to access sensitive information.

When was CVE-2025-21023 disclosed?

CVE-2025-21023 was first published in the National Vulnerability Database on August 6, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-21023 actively exploited?

CVE-2025-21023 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-21023?

CVE-2025-21023 has a CVSS v3 base score of 3.3 (NVD).

How do I remediate CVE-2025-21023?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-21023, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-21023

📅 Published

🔄 Last Modified

🔗 References (1)