CVE-2026-21084: CWE-284: Improper Access Control in Samsung Mobile SmartThings
CVE-2026-21084 is an improper access control vulnerability in Samsung Mobile's SmartThings application prior to version 1.8.47.24. This flaw allows local attackers with limited privileges to access sensitive information within the application. The vulnerability has a medium severity rating with a CVSS 4.0 base score of 6.9. No official patch or remediation guidance has been provided by the vendor at this time.
AI Analysis
Technical Summary
This vulnerability involves improper access control (CWE-284) in the SmartThings app before version 1.8.47.24, enabling local attackers with limited privileges to gain access to sensitive information. The CVSS 4.0 vector indicates the attack requires local access with low complexity and no user interaction, and the vulnerability impacts confidentiality highly, with limited impact on integrity and availability. The vendor has not published an official fix or remediation level, and no known exploits are reported in the wild.
Potential Impact
Local attackers with limited privileges can access sensitive information within the SmartThings application, potentially leading to unauthorized disclosure of confidential data. The vulnerability does not require user interaction and has a low attack complexity, making it moderately impactful in environments where local access is possible.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for any suspicious activity related to SmartThings. Avoid granting unnecessary local privileges to untrusted users.
CVE-2026-21084: CWE-284: Improper Access Control in Samsung Mobile SmartThings
Description
CVE-2026-21084 is an improper access control vulnerability in Samsung Mobile's SmartThings application prior to version 1.8.47.24. This flaw allows local attackers with limited privileges to access sensitive information within the application. The vulnerability has a medium severity rating with a CVSS 4.0 base score of 6.9. No official patch or remediation guidance has been provided by the vendor at this time.
CVSS v4.0
Score 6.9medium
Affected software
Samsung Mobile
SmartThings
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper access control (CWE-284) in the SmartThings app before version 1.8.47.24, enabling local attackers with limited privileges to gain access to sensitive information. The CVSS 4.0 vector indicates the attack requires local access with low complexity and no user interaction, and the vulnerability impacts confidentiality highly, with limited impact on integrity and availability. The vendor has not published an official fix or remediation level, and no known exploits are reported in the wild.
Potential Impact
Local attackers with limited privileges can access sensitive information within the SmartThings application, potentially leading to unauthorized disclosure of confidential data. The vulnerability does not require user interaction and has a low attack complexity, making it moderately impactful in environments where local access is possible.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict local access to trusted users only and monitor for any suspicious activity related to SmartThings. Avoid granting unnecessary local privileges to untrusted users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.826Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a798b4cbf8831d53957fe07
Added to database: 08/10/2026, 08:26:52 UTC
Last enriched: 08/17/2026, 15:37:34 UTC
Last updated: 09/24/2026, 01:47:41 UTC
Views: 50
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.