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Vulnerability Details :

CVE-2025-2233

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-11 Mar, 2025 | 22:30
Updated At-26 Feb, 2026 | 19:09
Rejected At-
Credits

Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
Published At:11 Mar, 2025 | 22:30
Updated At:26 Feb, 2026 | 19:09
Rejected At:
▼CVE Numbering Authority (CNA)
Samsung SmartThings Improper Verification of Cryptographic Signature Authentication Bypass Vulnerability

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.

Affected Products
Vendor
SamsungSamsung
Product
SmartThings
Default Status
unknown
Versions
Affected
  • 000.054.00013
Problem Types
TypeCWE IDDescription
CWECWE-347CWE-347: Improper Verification of Cryptographic Signature
Type: CWE
CWE ID: CWE-347
Description: CWE-347: Improper Verification of Cryptographic Signature
Metrics
VersionBase scoreBase severityVector
3.08.8HIGH
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.zerodayinitiative.com/advisories/ZDI-25-127/
x_research-advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-25-127/
Resource:
x_research-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:11 Mar, 2025 | 23:15
Updated At:08 Aug, 2025 | 01:25

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.08.8HIGH
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
Samsung
samsung
>>smartthings>>Versions before 0.55.5(exclusive)
cpe:2.3:a:samsung:smartthings:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-347Primaryzdi-disclosures@trendmicro.com
CWE ID: CWE-347
Type: Primary
Source: zdi-disclosures@trendmicro.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.zerodayinitiative.com/advisories/ZDI-25-127/zdi-disclosures@trendmicro.com
Third Party Advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-25-127/
Source: zdi-disclosures@trendmicro.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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