CVE-2019-10120
UnknownEPSS 1.28%
Last modified
CVE-2019-10120 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.28% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Eq-3 | Ccu3 Firmware | < 3.43.16 |
| Eq-3 | Ccu2 Firmware | < 2.41.8 |
References
- https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdfRelease Notes, Vendor Advisory
- https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdfRelease Notes, Vendor Advisory
- https://www.eq-3.de/Downloads/Software/CCU3-Firmware/CCU3-3.43.16/CCU3-Changelog.3.43.16.pdfRelease Notes, Vendor Advisory
- https://www.eq-3.de/Downloads/Software/HM-CCU2-Firmware_Updates/HM-CCU-2.41.9/HM-CCU2-Changelog.2.41.9.pdfRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-10120?
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.
How severe is CVE-2019-10120?
Severity scoring for CVE-2019-10120 is pending analysis. The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10120?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2019
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- CVE-2019-10123SQL Injection in Advanced InfoData Systems (AIS) ESEL-Server…
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Are you affected by CVE-2019-10120?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST