Auth bypass in Eq-3 Homematic Central Control Unit Ccu2

CVE-2018-7301

eQ-3 AG HomeMatic CCU2 2.29.22 devices have an open XML-RPC port without authentication. This can be exploited by sending arbitrary XML-RPC requests to control the attached BidCos devices.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% 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-2018-7301: held from 0.015 to 0.015.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-7301?
CVE-2018-7301 is a critical-severity vulnerability in Eq-3 Homematic Central Control Unit Ccu2, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2018-02-22.
How severe is CVE-2018-7301?
Critical severity. CVSS v3 base score is 9.8 out of 10.