CVE-2025-20939

Improper authorization in wireless download protocol in Galaxy Watch prior to SMR Apr-2025 Release 1 allows physical attackers to update device unique identifier of Watch devices.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.7 / Impact : 4.7

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

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

OR	cpe:2.3:h:samsung:galaxy_watch:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_4:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_4_classic:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_5:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_5_pro:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_6:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_6_classic:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_7:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_fe:-:::::::*
	cpe:2.3:h:samsung:galaxy_watch_ultra:-:::::::*

History

No history.

Information

Published : 2025-04-08 05:15

Updated : 2026-01-27 17:54

NVD link : CVE-2025-20939

Mitre link : CVE-2025-20939

CVE.ORG link : CVE-2025-20939

JSON object : View

Products Affected

samsung

wear_os
galaxy_watch_5_pro
galaxy_watch_ultra
galaxy_watch_5
galaxy_watch_4_classic
galaxy_watch_6_classic
galaxy_watch
galaxy_watch_4
galaxy_watch_7
galaxy_watch_fe
galaxy_watch_6

CWE

NVD-CWE-noinfo

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