An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1
Published Jul 7, 2017
8.1
HIGHCVSS 3.0
EPSS 4.17%
Description
An Improper Authentication issue was discovered in Siemens SIMATIC CP 44x-1 RNA, all versions prior to 1.4.1. An unauthenticated remote attacker may be able to perform administrative actions on the Communication Process (CP) of the RNA series module, if network access to Port 102/TCP is available and the configuration file for the CP is stored on the RNA's CPU.
Affected products
- Vendor n/a Product Siemens SIMATIC CP 44x-1 Redundant Network Access Modules Defaultn/a
- Version Siemens SIMATIC CP 44x-1 Redundant Network Access ModulesStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Siemens SIMATIC CP 44x-1 Redundant Network Access Modules | n/a |
|
- ≤ 1.4.0
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.17% (0.04174) | 90.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.17% (0.04174) | 89.57th | v5 (v2026.06.15) |
| May 5, 2025 | 4.20% (0.04201) | 88.08th | v4 (v2025.03.14) |
| Apr 27, 2025 | 7.28% (0.07281) | 91.13th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.77% (0.01775) | 81.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.27% (0.04274) | 81.03th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.66% (0.00665) | 79.92th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.66% (0.00665) | 79.04th | v3 (v2023.03.01) |
| Jun 17, 2023 | 0.66% (0.00665) | 76.82th | v3 (v2023.03.01) |
| May 8, 2023 | 0.94% (0.00941) | 80.78th | v3 (v2023.03.01) |
| Apr 22, 2023 | 1.10% (0.01101) | 82.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.55% (0.01546) | 85.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.31% (0.01306) | 31.19th | v1 |
| Jan 6, 2022 | 1.31% (0.01306) | 30.55th | v1 |
| Sep 1, 2021 | 1.31% (0.01306) | 69.61th | v1 |
| Apr 14, 2021 | 1.31% (0.01306) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/99234 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038788 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-173-01 x_refsource_MISCThird Party AdvisoryUS Government Resource
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-126840.pdf x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99234 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038788 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-173-01 | x_refsource_MISCThird Party AdvisoryUS Government Resource | |
| https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-126840.pdf | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.