What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2019-10121.

What is the severity rating for CVE-2019-10121?

The severity rating for CVE-2019-10121 is 9.8 (critical).

Which software versions are affected by CVE-2019-10121?

CVE-2019-10121 affects eQ-3 HomeMatic CCU2 devices with firmware versions up to (but not including) 2.41.8, and CCU3 devices with firmware versions up to (but not including) 3.43.15.

How can I mitigate CVE-2019-10121?

To mitigate CVE-2019-10121, it is recommended to update the firmware of the affected devices to version 2.41.8 or higher for CCU2 and 3.43.15 or higher for CCU3.

Vulnerability/
CVE-2019-10121

critical

9.8

CWE

306

10/7/2019

4/8/2024

CVE-2019-10121

Q: What is the description of CVE-2019-10121?

CVE-2019-10121 is a vulnerability found in eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 that use session IDs for authentication but lack authorization checks, allowing an attacker to obtain a session ID via the user authentication dialogue and gain automatic login as admin.

First published: Wed Jul 10 2019(Updated: )

eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 use session IDs for authentication but lack authorization checks. An attacker can obtain a session ID via the user authentication dialogue, aka HMCCU-153. This leads to automatic login as admin.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Eq-3 Ccu3 Firmware	<3.43.15
Eq-3 Ccu3
Eq-3 Ccu2 Firmware	<2.41.8
Eq-3 Ccu2

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-10121.
What is the severity rating for CVE-2019-10121?
The severity rating for CVE-2019-10121 is 9.8 (critical).
What is the description of CVE-2019-10121?
CVE-2019-10121 is a vulnerability found in eQ-3 HomeMatic CCU2 devices before 2.41.8 and CCU3 devices before 3.43.15 that use session IDs for authentication but lack authorization checks, allowing an attacker to obtain a session ID via the user authentication dialogue and gain automatic login as admin.
Which software versions are affected by CVE-2019-10121?
CVE-2019-10121 affects eQ-3 HomeMatic CCU2 devices with firmware versions up to (but not including) 2.41.8, and CCU3 devices with firmware versions up to (but not including) 3.43.15.
How can I mitigate CVE-2019-10121?
To mitigate CVE-2019-10121, it is recommended to update the firmware of the affected devices to version 2.41.8 or higher for CCU2 and 3.43.15 or higher for CCU3.

collector/nvd-index
agent/references
agent/severity
agent/weakness
agent/author
agent/description
agent/type
agent/event
agent/last-modified-date
agent/first-publish-date
agent/softwarecombine
agent/tags
collector/mitre-cve
source/MITRE
vendor/eq-3
canonical/eq-3 ccu3 firmware
canonical/eq-3 ccu3
canonical/eq-3 ccu2 firmware
canonical/eq-3 ccu2

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.