High severity8.2NVD Advisory· Published Aug 14, 2019· Updated Jun 17, 2026
CVE-2019-9583
CVE-2019-9583
Description
eQ-3 Homematic CCU2 and CCU3 obtain session IDs without login. This allows a Denial of Service and is a starting point for other attacks. Affected versions for CCU2: 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15. Affected versions for CCU3: 3.41.11, 3.43.16, 3.45.5, 3.45.7, 3.47.10, 3.47.15.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:o:eq-3:homematic_ccu2_firmware:-:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.35.16:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.41.5:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.41.8:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.41.9:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.45.6:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.45.7:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.10:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.12:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu2_firmware:2.47.15:*:*:*:*:*:*:*
cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.41.11:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.41.11:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.43.16:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.45.5:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.45.7:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.10:*:*:*:*:*:*:*
- cpe:2.3:o:eq-3:homematic_ccu3_firmware:3.47.15:*:*:*:*:*:*:*
- eQ-3/Homematic CCU2description
- Range: 2.35.16, 2.41.5, 2.41.8, 2.41.9, 2.45.6, 2.45.7, 2.47.10, 2.47.12, 2.47.15
Patches
Vulnerability mechanics
References
2- github.com/psytester/psytester.github.io/blob/master/_posts/hacking_and_pentests/CVEs/2019-03-27-CVE-2019-9583.mdnvdExploitThird Party Advisory
- psytester.github.io/CVE-2019-9583/nvdExploitThird Party Advisory
News mentions
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