A vulnerability has been identified in SIMATIC WinCC OA V3.14 and prior (All versions < V3.14-P021)
Published Sep 12, 2018
9.1
CRITICALCVSS 3.0
EPSS 2.25%
Description
A vulnerability has been identified in SIMATIC WinCC OA V3.14 and prior (All versions < V3.14-P021). Improper access control to a data point of the affected product could allow an unauthenticated remote user to escalate its privileges in the context of SIMATIC WinCC OA V3.14. This vulnerability could be exploited by an attacker with network access to port 5678/TCP of the SIMATIC WinCC OA V3.14 server. Successful exploitation requires no user privileges and no user interaction. This vulnerability could allow an attacker to compromise integrity and availability of the SIMATIC WinCC OA system. At the time of advisory publication no public exploitation of this vulnerability was known.
Affected products
-
- Version SIMATIC WinCC OA V3.14 and prior : All versions < V3.14-P021StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Siemens AG | SIMATIC WinCC OA V3.14 and prior | n/a |
|
- ≤ 3.14
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:H/A:H
AV:N/AC:L/Au:N/C:N/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 v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.25% (0.02252) | 82.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02252) | 80.58th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.24% (0.00238) | 62.30th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.24% (0.00238) | 62.13th | v3 (v2023.03.01) |
| Apr 30, 2024 | 0.33% (0.00330) | 70.72th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00279) | 67.47th | v3 (v2023.03.01) |
| Feb 3, 2024 | 0.28% (0.00279) | 65.13th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00299) | 64.63th | 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) |
| Feb 3, 2022 | 0.78% (0.00785) | 22.12th | v1 |
| Jan 6, 2022 | 0.78% (0.00785) | 21.52th | v1 |
| Sep 1, 2021 | 0.78% (0.00785) | 52.07th | v1 |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/105332 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-346256.pdf x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105332 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-346256.pdf | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.