CVE-2019-14423

Name: CVE-2019-14423
Creator: NVD / NIST
Published: 2019-10-17T14:15:10.633+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 19.90%

Last modified Jun 17, 2026

CVE-2019-14423 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 19.90% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

19.90%

97.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Eq-3	Cux-Daemon	>= 1.11a, <= 2.2.0
Eq-3	Ccu2 Firmware	>= 2.35.16, <= 2.45.6

References

https://noskill1337.github.io/homematic-with-cux-daemon-remote-code-executionExploit, Mitigation, Third Party Advisory
https://www.eq-3.com/products/homematic.htmlVendor Advisory
https://noskill1337.github.io/homematic-with-cux-daemon-remote-code-executionExploit, Mitigation, Third Party Advisory
https://www.eq-3.com/products/homematic.htmlVendor Advisory

Timeline

Published: Oct 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14423?

How severe is CVE-2019-14423?

CVE-2019-14423 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 19.90% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14423?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14423?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST