Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem
Published Feb 22, 2018
9.8
CRITICALCVSS 3.1
EPSS 30.59%
Description
Directory Traversal / Arbitrary File Write / Remote Code Execution in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier allows remote attackers to write arbitrary files to the device's filesystem. This vulnerability can be exploited by unauthenticated attackers with access to the web interface.
Affected products
No data.
- ≤ 2.29.22
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:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 30.59% (0.30590) | 98.19th | v5 (v2026.06.15) |
| Aug 3, 2026 | 30.59% (0.30590) | 98.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 31.75% (0.31752) | 98.06th | v5 (v2026.06.15) |
| Mar 30, 2025 | 12.96% (0.12965) | 93.44th | v4 (v2025.03.14) |
| Mar 29, 2025 | 25.48% (0.25483) | 93.90th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.47% (0.13474) | 93.67th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.86% (0.04855) | 92.65th | v3 (v2023.03.01) |
| Sep 25, 2024 | 3.48% (0.03485) | 91.69th | v3 (v2023.03.01) |
| May 28, 2024 | 1.80% (0.01800) | 88.12th | v3 (v2023.03.01) |
| Feb 2, 2024 | 2.13% (0.02127) | 88.11th | v3 (v2023.03.01) |
| Jan 2, 2024 | 2.15% (0.02154) | 88.15th | v3 (v2023.03.01) |
| Aug 6, 2023 | 1.94% (0.01944) | 87.15th | v3 (v2023.03.01) |
| Jul 16, 2023 | 1.38% (0.01379) | 84.50th | v3 (v2023.03.01) |
| Jun 3, 2023 | 2.91% (0.02910) | 89.31th | v3 (v2023.03.01) |
| Mar 23, 2023 | 3.94% (0.03939) | 90.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.82% (0.02818) | 89.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.37% (0.05365) | 89.93th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.37% (0.05365) | 88.95th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.37% (0.05365) | 76.10th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.23% (0.06231) | 82.49th | v1 |
| Jan 6, 2022 | 6.23% (0.06231) | 82.32th | v1 |
| Sep 1, 2021 | 6.23% (0.06231) | 90.10th | v1 |
| Apr 14, 2021 | 6.23% (0.06231) | 0.00th | v1 |
References (2)
- http://atomic111.github.io/article/homematic-ccu2-filewrite x_refsource_MISCThird Party Advisory
- https://www.exploit-db.com/exploits/44361/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://atomic111.github.io/article/homematic-ccu2-filewrite | x_refsource_MISCThird Party Advisory | |
| https://www.exploit-db.com/exploits/44361/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.