CVE-2019-15849
HIGHCVSS 7.3/10EPSS 0.82%
Last modified
CVE-2019-15849 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. EPSS estimates a 0.82% chance of exploitation in the next 30 days.
Description
eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session. The attacker could create SSH logins after a valid session and easily compromise the system.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Eq-3 | Homematic Ccu3 Firmware | 3.14.11 |
References
- https://noskill1337.github.io/homematic-ccu3-session-fixationExploit, Mitigation, Third Party Advisory
- https://www.eq-3.com/products/homematic.htmlVendor Advisory
- https://noskill1337.github.io/homematic-ccu3-session-fixationExploit, Mitigation, Third Party Advisory
- https://www.eq-3.com/products/homematic.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-15849?
eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation. An attacker can create session IDs and send them to the victim. After the victim logs in to the session, the attacker can use that session. The attacker could create SSH logins after a valid session and easily compromise the system.
How severe is CVE-2019-15849?
CVE-2019-15849 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2019-15849?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-15849?
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Scan your code nowSource: NVD / NIST