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Vulnerability record · CVE-2019-15850 · published 17 October 2019

CVE-2019-15850: Eq-3 homematic ccu3 firmware missing authorization vulnerability

Eq 3 · Homematic Ccu3 Firmware

eQ-3 HomeMatic CCU3 firmware version 3.41.11 allows Remote Code Execution in the ReGa.runScript method. An authenticated attacker can easily execute code and compromise the system.

8.8 CVSS 3.1 High EPSS 16% · top 3.3% CWE-862 · Missing authorization
8.8CVSS 3.1 base score, v2 9.0
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

eQ-3 HomeMatic CCU3 firmware version 3.41.11 allows Remote Code Execution in the ReGa.runScript method. An authenticated attacker can easily execute code and compromise the system.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://noskill1337.github.io/homematic-ccu3-remote-code-execution ExploitThird Party Advisory
https://www.eq-3.com/products/homematic.html Vendor Advisory
https://noskill1337.github.io/homematic-ccu3-remote-code-execution ExploitThird Party Advisory
https://www.eq-3.com/products/homematic.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2021-33032Unauthenticated OS command injection in eQ-3 HomeMatic CCU2/CCU3 WebUIThe WebUI component of eQ-3 HomeMatic CCU2 firmware up to 2.57.5 and CCU3 firmware up to 3.57.5 fails to neutralize input passed to system commands, …EPSS 52%analysed9.8CVE-2019-18937Scriptparser project scriptparser missing authentication for critical function vulnerabilityeQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8 installed allow Remote Code Execution by unauthenticated attack…EPSS 34%9.8CVE-2019-18938Hm email project hm email missing authentication for critical function vulnerabilityeQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the E-Mail AddOn through 1.6.8.c installed allow Remote Code Execution by unauthenticated attackers…EPSS 34%9.8CVE-2019-18939Hm-print project hm-print missing authentication for critical function vulnerabilityeQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a installed allow Remote Code Execution by unauthenticated attackers …EPSS 41%9.8CVE-2019-16199Eq-3 homematic ccu2 firmware missing authentication for critical function vulnerabilityeQ-3 Homematic CCU2 before 2.47.18 and CCU3 before 3.47.18 allow Remote Code Execution by unauthenticated attackers with access to the web interface …EPSS 8.7%9.8CVE-2019-9584Eq-3 homematic ccu2 firmware vulnerabilityeQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 allows uncontrolled admin access, resulting in the ability to obtain VPN profile details, shutting…EPSS 2.7%9.8CVE-2019-9585Eq-3 homematic ccu2 firmware missing authentication for critical function vulnerabilityeQ-3 Homematic CCU2 prior to 2.47.10 and CCU3 prior to 3.47.10 JSON API has Improper Access Control for Interface.***Metadata related operations, res…EPSS 2.7%9.8CVE-2019-14985Eq-3 homematic ccu2 firmware improper authentication vulnerabilityeQ-3 Homematic CCU2 and CCU3 with the CUxD AddOn installed allow Remote Code Execution by unauthenticated attackers with access to the web interface,…EPSS 7.5%

Source: NIST National Vulnerability Database (record CVE-2019-15850), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.