TI-2019-11915 Aliases CVE-2019-15849 GHSA-ppg9-jvvv-qvj4

eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation.

LOW 34CWE-384Published 2019-10-17 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-384.

Summary

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.

Why it matters now

EPSS 0.00824 57th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.14.11:::::::*	3.14.11	Vulnerable	Eq-3
cpe:2.3:h:eq-3:homematic_ccu3:-:::::::*	not specified by NVD	Running on	Eq-3

cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.14.11:*:*:*:*:*:*:* Versions 3.14.11 Vulnerable ·Eq-3
cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Eq-3

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-15849
2026-10-03 Alias added: GHSA-ppg9-jvvv-qvj4

References

Exploit 1

https://noskill1337.github.io/homematic-ccu3-session-fixation

Advisory 1

https://www.eq-3.com/products/homematic.html

TI-2021-12636 A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic… CVSS 3.1CRITICAL 10.0
TI-2019-13655 eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the HM-Print AddOn through 1.2a… CVSS 3.1CRITICAL 9.8
TI-2019-13654 eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the E-Mail AddOn through 1.6.8.c… CVSS 3.1CRITICAL 9.8
TI-2019-13653 eQ-3 Homematic CCU2 2.47.20 and CCU3 3.47.18 with the Script Parser AddOn through 1.8… CVSS 3.1CRITICAL 9.8
TI-2019-11916 eQ-3 HomeMatic CCU3 firmware version 3.41.11 allows Remote Code Execution in the… CVSS 3.1HIGH 8.8
TI-2019-12181 eQ-3 Homematic CCU2 before 2.47.18 and CCU3 before 3.47.18 allow Remote Code Execution by… CVSS 3.1CRITICAL 9.8

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences