CVE-2018-3927

Severity: medium (CVSS 5.9 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-08-27 · updated 2026-06-17
Weakness: CWE-295

Description

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 backtrace.io service, leading to the exposure of sensitive data. An attacker can impersonate the remote backtrace.io server in order to trigger this vulnerability.

Affected products

Samsung SmartThings Hub STH-ETH-250: 0.20.17

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0594
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0594

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