How severe is CVE-2023-28829?

CVE-2023-28829 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-28829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28829?

CVE-2023-28829 primarily affects Siemens Simatic Net Pc Software. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-28829?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-28829 published?

CVE-2023-28829 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-28829

CVE-2023-28829 is a low-severity vulnerability in Siemens Simatic Net Pc Software with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-477.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-477
Affected product: Siemens Simatic Net Pc Software
Published: 2023-06-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-28829?: 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 severe is CVE-2023-28829?: CVE-2023-28829 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-28829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28829?: CVE-2023-28829 primarily affects Siemens Simatic Net Pc Software. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-28829?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28829 published?: CVE-2023-28829 was published on 2023-06-13 and last updated on 2026-06-17.

References

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

Affected products (7)

cpe:2.3:a:siemens:simatic_net_pc_software:14.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_net_pc_software:15.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs_7:8.2:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs_7:9.0:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_pcs_7:9.1:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinaut_st7sc:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Simatic Net Pc Software

CVE-2018-4832 — High (CVSS 7.5): A vulnerability has been identified in OpenPCS 7 V7.1 and earlier (All versions), OpenPCS 7 V8.0 (All versions),…
CVE-2016-7165 — Medium (CVSS 6.4): A vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC IT Production Suite…

All CVEs affecting Siemens Simatic Net Pc Software →

Other CWE-477 vulnerabilities

CVE-2025-49216 — Critical (CVSS 9.8): An authentication bypass vulnerability in the Trend Micro Endpoint Encryption PolicyServer could allow an attacker to…
CVE-2018-17890 — Critical (CVSS 9.8): NUUO CMS all versions 3.1 and prior, The application uses insecure and outdated software components for functionality,…
CVE-2019-18251 — High (CVSS 8.8): In Omron CX-Supervisor, Versions 3.5 (12) and prior, Omron CX-Supervisor ships with Teamviewer Version 5.0.8703 QS.…
CVE-2026-1693 — High (CVSS 7.5): The OAuth grant type Resource Owner Password Credentials (ROPC) flow is still used by the werbservices used by the…
CVE-2020-6978 — High (CVSS 7.2): In Honeywell WIN-PAK 4.7.2, Web and prior versions, the affected product is vulnerable due to the usage of old jQuery…
CVE-2019-10968 — Medium (CVSS 4.4): Philips Holter 2010 Plus, all versions. A vulnerability has been identified that may allow system options that were not…

Browse all CWE-477 vulnerabilities →