CVE-2023-28829
low-risk
Published 2023-06-13
A 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.
Do I need to act?
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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.9/10
Low
ADJACENT_NETWORK
/ HIGH complexity
Affected Products (7)
Simatic Net Pc Software
Simatic Net Pc Software
Sinaut St7Sc
Affected Vendors
24
/ 100
low-risk
Severity
10/34 · Low
Exploitability
0/34 · Minimal
Exposure
14/34 · Moderate