An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions
Published Nov 6, 2017
4.9
MEDIUMCVSS 3.1
EPSS 3.67%
Description
An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.
Affected products
- Vendor n/a Product Siemens SIMATIC PCS 7 Defaultn/a
- Version Siemens SIMATIC PCS 7StatusaffectedConstraints-
- 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 PCS 7 | n/a |
|
Configuration 1
- 8.1
- 7.3
Configuration 2
- 8.2
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:H/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/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 v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.67% (0.03675) | 89.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.67% (0.03675) | 88.19th | v5 (v2026.06.15) |
| Mar 19, 2025 | 2.83% (0.02825) | 84.60th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.18% (0.00176) | 55.19th | v3 (v2023.03.01) |
| Mar 30, 2023 | 0.18% (0.00176) | 53.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00193) | 55.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.06% (0.01061) | 51.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.06% (0.01061) | 49.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.05% (0.01046) | 28.66th | v1 |
| Jan 6, 2022 | 1.05% (0.01046) | 28.03th | v1 |
| Sep 1, 2021 | 1.05% (0.01046) | 65.02th | v1 |
| Apr 14, 2021 | 1.05% (0.01046) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/101680 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039729 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01 x_refsource_MISCThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101680 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039729 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01 | x_refsource_MISCThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.