VULNERABILITY INTELLIGENCE

CVE-2023-28829

CVSS score3.9 LOW
EPSS probability0.29%
CISA KEVNot currently listed
Published2023-06-13
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

Description

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.

Weakness classification

  • CWE-477: Use of Obsolete Function

Primary references