How severe is CVE-2025-21004?

CVE-2025-21004 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-21004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21004?

CVE-2025-21004 affects Samsung Wear Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-21004?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-21004 have an EU (EUVD) identifier?

Yes. CVE-2025-21004 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20441.

When was CVE-2025-21004 published?

CVE-2025-21004 was published on 2025-07-08 and last updated on 2026-06-17.

CVE-2025-21004

CVE-2025-21004 is a medium-severity vulnerability in Samsung Wear Os with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-347.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20441
Weakness: CWE-347
Affected product: Samsung Wear Os
Published: 2025-07-08
Last modified: 2026-06-17

Description

Improper verification of intent by broadcast receiver in System UI for Galaxy Watch prior to SMR Jul-2025 Release 1 allows local attackers to power off the device.

Frequently asked questions

What is CVE-2025-21004?: Improper verification of intent by broadcast receiver in System UI for Galaxy Watch prior to SMR Jul-2025 Release 1 allows local attackers to power off the device.
How severe is CVE-2025-21004?: CVE-2025-21004 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-21004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21004?: CVE-2025-21004 affects Samsung Wear Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-21004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21004 have an EU (EUVD) identifier?: Yes. CVE-2025-21004 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20441.
When was CVE-2025-21004 published?: CVE-2025-21004 was published on 2025-07-08 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=07

Affected products (1)

cpe:2.3:o:samsung:wear_os:5.0:*:*:*:*:*:*:*

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