eQ-3 Homematic AddOn 'CloudMatic' on CCU2 and CCU3 allows uncontrolled admin access, resulting in the ability to obtain VPN profile details, shutting down the VPN service and to delete the VPN service configuration. This is related to improper access control for all /addons/mh/ pages.
Conclusion & alert: CVE-2019-9584 is rated High Exploit Risk (85.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.71%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.20% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.51% | 2.71% | +2.20% |
| 2 | 2026-06-09 | 0.45% | 0.51% | +0.07% |
| 3 | 2025-12-28 | — | 0.45% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| eq-3 | homematic_ccu2_firmware | <= 2.47.15 | cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:* |
| eq-3 | homematic_ccu3_firmware | <= 3.47.15 | cpe:2.3:o:eq-3:homematic_ccu3_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/psytester/psytester.github.io/blob/master/_posts/hacking_and_pentests/CVEs/2019-03-27-CVE-2019-9584.md | Exploit Third Party Advisory |
| https://psytester.github.io/CVE-2019-9584/ | Exploit Third Party Advisory |