A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition
Published Aug 8, 2017
7.5
HIGHCVSS 3.0
EPSS 2.90%
Description
A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition. The service restarts automatically.
Affected products
- Vendor n/a Product SIMATIC Logon All versions before V1.6 Defaultn/a
- Version SIMATIC Logon All versions before V1.6StatusaffectedConstraints-
- 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 | SIMATIC Logon All versions before V1.6 | n/a |
|
- ≤ 1.5
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/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 v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.90% (0.02897) | 86.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.90% (0.02897) | 85.07th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.32% (0.00319) | 70.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00319) | 69.74th | v3 (v2023.03.01) |
| May 8, 2023 | 0.32% (0.00319) | 66.03th | v3 (v2023.03.01) |
| Mar 27, 2023 | 0.41% (0.00406) | 69.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.48% (0.00476) | 71.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v1 |
| Jan 6, 2022 | 0.83% (0.00833) | 23.96th | v1 |
| Sep 1, 2021 | 0.83% (0.00833) | 57.50th | v1 |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/99539 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf x_refsource_CONFIRMVendor Advisory
- https://www.tenable.com/security/research/tra-2017-34 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99539 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf | x_refsource_CONFIRMVendor Advisory | |
| https://www.tenable.com/security/research/tra-2017-34 | x_refsource_MISC |
Change history (0)
No recorded changes yet.