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An improper access control vulnerability exists in SmartThings software versions prior to 1.8.47.24. This flaw allows local attackers to access sensitive information without requiring user interaction. The vulnerability has been assigned CVE-2026-21084 and is rated as medium severity based on available data. Join the discussion | GCVE Database | 08/10/2026, 09:31:23 UTC Added: 08/10/2026, 15:40:17 UTC |
0 Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Samsung SmartThings. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Hub Local API service, which listens on TCP port 8766 by default. The issue results from the lack of proper verification of a cryptographic signature. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-25615. Join the discussion | CVE Database V5 | 03/11/2025, 22:30:44 UTC Added: 02/26/2026, 19:51:59 UTC |
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