CVE-2025-2233CWE-347

Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability

High · published March 11, 2025

CVSS v3.0
8.8
EPSS
1%
Percentile
55.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00770 · 55.2th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2025-03-11T22:30Z
EPSS history
Timeline
  • 11 MAR 22:30Z
    Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability
    cvelistv5