CVE-2023-28829

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Summary

CVECVE-2023-28829
StatePUBLISHED
Assignersiemens
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-13 09:15:16 UTC
Updated2026-10-23 23:10:00 UTC
DescriptionA vulnerability has been identified in SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC WinCC (All versions < V8.0), SINAUT Software ST7sc (All versions). Before SIMATIC WinCC V8, legacy OPC services (OPC DA (Data Access), OPC HDA (Historical Data Access), and OPC AE (Alarms & Events)) were used per default. These services were designed on top of the Windows ActiveX and DCOM mechanisms and do not implement state-of-the-art security mechanisms for authentication and encryption of contents.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002910000 probability, percentile 0.205300000 (date 2026-10-23)

Problem Types: CWE-477 | NVD-CWE-noinfo | CWE-477 CWE-477: Use of Obsolete Function

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary3.9LOWCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED3.9LOWCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Siemens Simatic Net Pc Software 14.0 All All All
Application Siemens Simatic Net Pc Software 15.0 All All All
Application Siemens Simatic Pcs 7 8.2 - All All
Application Siemens Simatic Pcs 7 9.0 - All All
Application Siemens Simatic Pcs 7 9.1 - All All
Application Siemens Simatic Wincc All All All All
Application Siemens Sinaut St7sc All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Siemens SIMATIC NET PC Software V14 affected All versions Not specified
CNA Siemens SIMATIC NET PC Software V15 affected All versions Not specified
CNA Siemens SIMATIC PCS 7 V8.2 affected All versions Not specified
CNA Siemens SIMATIC PCS 7 V9.0 affected All versions Not specified
CNA Siemens SIMATIC PCS 7 V9.1 affected All versions Not specified
CNA Siemens SIMATIC WinCC affected All versions < V8.0 Not specified
CNA Siemens SINAUT Software ST7sc affected All versions Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/pdf/ssa-508677.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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