Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate across different customers' installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate's trust relationship
Published Jul 31, 2013
6.6
MEDIUMCVSS 2.0
EPSS 0.95%
Description
Siemens Scalance W7xx devices with firmware before 4.5.4 use the same hardcoded X.509 certificate across different customers' installations, which makes it easier for remote attackers to conduct man-in-the-middle attacks against SSL sessions by leveraging the certificate's trust relationship.
Affected products
No data.
- ≤ 4.4.0
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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.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:P/I:P/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.95% (0.00951) | 59.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.95% (0.00951) | 56.50th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.35% (0.00352) | 55.47th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00208) | 59.71th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.20% (0.00202) | 57.75th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.17% (0.00173) | 53.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00208) | 56.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (1)
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-120908.pdf x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-120908.pdf | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.