Vulnerability in Eq-3 Ccu3 Firmware

CVE-2020-12834

eQ-3 Homematic Central Control Unit (CCU)2 through 2.51.6 and CCU3 through 3.51.6 allow Remote Code Execution in the JSON API Method ReGa.runScript, by unauthenticated attackers with access to the web interface, due to the default auto-login feature being enabled during first-time setup (or factory reset).

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: 0.111 (95.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% 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-2020-12834: held from 0.111 to 0.111.

EPSS over last 30 days · oldest: 0.111 · newest: 0.111 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-12834?
CVE-2020-12834 is a critical-severity vulnerability in Eq-3 Ccu3 Firmware, classified under Incorrect Default Permissions. CVSS score: 9.8/10. Published 2020-05-15.
How severe is CVE-2020-12834?
Critical severity. CVSS v3 base score is 9.8 out of 10.