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🛡️ CVE-2023-28829 — simatic-net-pc-software

🟢 CVSS 3.9 — Low ✅ No Known Exploit CWE-477 NVD
3.9
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is high, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

  • Attack vector: Adjacent network — the attacker has to sit on the same local or logical network.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: High — administrative rights are needed first.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: Low — limited, and the attacker does not choose what is affected.
  • Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2023-28829 is classified as 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.

Affected software

CVE-2023-28829 is recorded against 4 packages.

  • simatic-net-pc-software
  • simatic-pcs-7
  • simatic-wincc (fixed in 8.0)
  • sinaut-st7sc

Timeline and source

Published on 13 June 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

cert-portal.siemens.com
cert-portal.siemens.com

Same weakness in other software

These advisories are the same class of weakness (CWE-477: Use of Obsolete Function) in other software:

Details

Severity LOW
CVSS Score 3.9
CVSS Vector CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
CWE CWE-477
Public Exploit ✅ No
Source NVD
Published 2023-06-13
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
simatic-net-pc-software — —
simatic-pcs-7 — —
simatic-wincc — 8.0
sinaut-st7sc — —

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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