CVE-2023-28829

13.06.2023, 09:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	3.9 LOW	ADJACENT_NETWORK	HIGH	HIGH	CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
siemens	CNA	3.9 LOW				CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVE	ADP	---				---
CISA-ADP	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 22%

Vendor	Product	Version
siemens	simatic_net_pc_software	14.0
siemens	simatic_net_pc_software	15.0
siemens	simatic_pcs_7	8.2
siemens	simatic_pcs_7	9.0
siemens	simatic_pcs_7	9.1
siemens	simatic_wincc	𝑥 < 8.0
siemens	sinaut_st7sc	*

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-477 - Use of Obsolete Function
The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-508677.pdf