Auth bypass in Eq-3 Homematic Ccu2

CVE-2019-16199

eQ-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 via an HTTP POST request to certain URLs related to the ReGa core process.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.087 (95.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-16199: held from 0.087 to 0.087.

EPSS over last 30 days · oldest: 0.087 · newest: 0.087 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-16199?
CVE-2019-16199 is a critical-severity vulnerability in Eq-3 Homematic Ccu2, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-09-17.
How severe is CVE-2019-16199?
Critical severity. CVSS v3 base score is 9.8 out of 10.