eQ-3 HomeMatic CCU3 firmware 3.41.11 allows session fixation
Published Oct 17, 2019
7.3
HIGHCVSS 3.1
EPSS 0.82%
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.
Affected products
No data.
- 3.14.11
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.82% (0.00824) | 55.90th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.82% (0.00824) | 55.81th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00079) | 34.73th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.08% (0.00079) | 34.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00079) | 32.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.25% (0.05246) | 75.87th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://noskill1337.github.io/homematic-ccu3-session-fixation x_refsource_MISCExploitMitigationThird Party Advisory
- https://www.eq-3.com/products/homematic.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://noskill1337.github.io/homematic-ccu3-session-fixation | x_refsource_MISCExploitMitigationThird Party Advisory | |
| https://www.eq-3.com/products/homematic.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.