Improper input validation in Samsung SmartThings
Priority LOW 26CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper access control of certain port in SmartThings prior to version 1.7.63.6 allows remote temporary denial of service.
Why it matters now
EPSS 0.01001 63rd percentileScored 2026-11-07
Fix Fixed SmartThings (Samsung Mobile): 1.7.63.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA SmartThings (Samsung Mobile) Fixed in 1.7.63.6
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25378
- 2026-10-03 Alias added: GHSA-j677-7992-mrpc
References
More Samsung Smartthings vulnerabilities
- TI-2021-07747 Improper privilege management in Samsung SmartThings CVSS 3.1CRITICAL 9.8
- TI-2025-01960 Improper signature verification in Samsung SmartThings CVSS 3.0HIGH 8.8
- TI-2022-12881 Improper authorization in Samsung Smart Things CVSS 3.1HIGH 7.5
- TI-2024-22895 Improper authentication in Samsung SmartThings CVSS 3.1HIGH 7.5
- TI-2022-18865 Improper access control in Samsung SmartThings CVSS 3.1HIGH 7.5
- TI-2022-18864 Improper access control in Samsung SmartThings CVSS 3.1HIGH 7.5
Sources
- CVE-2021-25378 · CVE Program
- CVE-2021-25378 · NVD
- FIRST EPSS
- GHSA-j677-7992-mrpc · GitHub Advisory Database · CC BY 4.0
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