CVE-2025-2233

HIGH

Samsung Smartthings < 0.55.5 - Signature Verification Bypass

Title source: rule
STIX 2.1

Description

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.

Scores

CVSS v3 8.8
EPSS 0.0003
EPSS Percentile 9.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-347
Status published
Products (1)
samsung/smartthings < 0.55.5
Published Mar 11, 2025
Tracked Since Feb 18, 2026