Auth bypass in Eq-3 Ccu3

CVE-2019-9727

Unauthenticated password hash disclosure in the User.getUserPWD method in eQ-3 AG Homematic CCU3 3.43.15 and earlier allows remote attackers to retrieve the GUI password hashes of GUI users. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.

Vulnerability class: Broken Authentication

EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-9727?
CVE-2019-9727 is a high-severity vulnerability in Eq-3 Ccu3, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2019-05-13.
How severe is CVE-2019-9727?
High severity. CVSS v3 base score is 7.5 out of 10.