CVE-2019-18939
9.8
CRITICAL · CVSS 3.1 · EPSS 40.8% (pctl 99)
Patch early
EPSS 40.8% — above the 10% action threshold.
Description
eQ-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 with access to the web interface via the exec.cgi and exec1.cgi scripts, which execute TCL script content from an HTTP POST request.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 40.79% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-306 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-11-14 |
| Last modified | 2026-06-17 |
Affected (5)
| Vendor | Product |
|---|---|
| eq-3 | homematic ccu2 |
| eq-3 | homematic ccu2 firmware |
| eq-3 | homematic ccu3 |
| eq-3 | homematic ccu3 firmware |
| hm-print project | hm-print |
→ the Explorer · watch your stack · NVD