CVE-2025-2233
HIGHSamsung Smartthings < 0.55.5 - Signature Verification Bypass
Title source: ruleDescription
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