Samsung SmartThings Hub STH-ETH-250 0.20.17 hubCore certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability, which was classified as problematic, was found in Samsung SmartThings Hub STH-ETH-250 0.20.17 (Router Operating System). Affected is an unknown part of the component hubCore. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality. CVE summarizes:

An exploitable information disclosure vulnerability exists in the crash handler of the hubCore binary of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. When hubCore crashes, Google Breakpad is used to record minidumps, which are sent over an insecure HTTPS connection to the service, leading to the exposure of sensitive data. An attacker can impersonate the remote server in order to trigger this vulnerability.

The bug was discovered 07/26/2018. The weakness was shared 08/27/2018 (Website). The advisory is available at This vulnerability is traded as CVE-2018-3927 since 01/01/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.








  • end of life (old version)

CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (Talos): 🔍



VulDB Base Score: 🔍
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Class: Certificate validation
CWE: CWE-295 / CWE-287

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


01/01/2018 🔍
07/26/2018 +205 days 🔍
08/27/2018 +31 days 🔍
08/27/2018 +0 days 🔍
08/28/2018 +1 days 🔍
05/04/2023 +1710 days 🔍



Status: Not defined

CVE: CVE-2018-3927 (🔍)


Created: 08/28/2018 06:39 AM
Updated: 05/04/2023 06:15 PM
Changes: 08/28/2018 06:39 AM (58), 03/18/2020 03:53 PM (1), 05/04/2023 06:15 PM (14)
Complete: 🔍
Cache ID: 44:002:40


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