CVE-2019-10119

Description

eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via an invalid login attempt to the RemoteApi account, aka HMCCU-154. This leads to automatic login as admin.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.29%
Vendor Advisory eq-3.de Vendor Advisory eq-3.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf release notes vendor advisory
https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-10119?
CVE-2019-10119 has been scored as a critical severity vulnerability.
How to fix CVE-2019-10119?
To fix CVE-2019-10119, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-10119 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-10119 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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