CVE-2019-10120 Information

Description

On eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.16 automatic login configuration (aka setAutoLogin) can be achieved by continuing to use a session ID after a logout aka HMCCU-154.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdf https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8