CVE-2023-28829

3.9 LOW 0.3% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment with an admin-level account. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-06-13 09:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-23 23:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 3.9 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-06-13 09:15 UTC
Last modified: 2026-10-23 23:10 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-477
Record status: Modified

Affected

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 < 8.0
Siemens Sinaut st7sc

Attack profile CVSS 3.1 · 3.9

Attack vector: Adjacent network
Complexity: High
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-28829.md and follow it. Check whether this project is affected by CVE-2023-28829. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record