CVE-2019-14423

Cux Daemon vulnerability

CVSS

8.8

EPSS

19.9%

EPSS pct

97th

Exploited

No known

A Remote Code Execution (RCE) issue in the addon CUx-Daemon 1.11a of the eQ-3 Homematic CCU-Firmware 2.35.16 until 2.45.6 allows remote authenticated attackers to execute system commands as root remotely via a simple HTTP request.

Affected vendor

Eq 3

Affected product

Cux Daemon

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2019-10-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 19.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2019-14423

Confirm whether Eq 3 Cux Daemon is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-14423.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-14423

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-14423 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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