Siemens CERT Portal – Accessing Security Information for WinCC OA
Learn how to access security advisories and updates relevant to WinCC OA through the Siemens ProductCERT portal by filtering for "WinCC OA".
Overview of Siemens ProductCERT
The Siemens ProductCERT Portal is a vital resource for staying informed about security advisories and vulnerability disclosures affecting Siemens products, including WinCC OA.
Siemens ProductCERT (Cybersecurity Emergency Response Team) is responsible for identifying, assessing, and reporting cybersecurity issues in Siemens products and solutions. The CERT portal provides public advisories about:
- Newly discovered vulnerabilities
- Mitigation measures and recommended countermeasures
- CVSS (Common Vulnerability Scoring System) scores
- Affected versions and product lines
- Links to software updates or patches, if available
These advisories are published in alignment with industry best practices to ensure transparency and protect users across industrial and automation environments.
Finding WinCC OA-Specific Information
To access security-related information specific to WinCC OA:
- Navigate to the Siemens ProductCERT Portal.
- Use the filter function on the page.
- Enter "WinCC OA" in the search or filter box.
This will return a list of all relevant advisories, updates, and recommendations regarding WinCC OA, allowing users and administrators to stay up-to-date with the latest security developments.

Why This Matters
Security in industrial systems is of paramount importance, especially in SCADA and HMI environments where WinCC OA is deployed. The Siemens CERT portal ensures that system integrators, operators, and customers can:
- Quickly respond to potential threats
- Maintain secure system configurations
- Comply with cybersecurity regulations and industry standards
Regular consultation of the Siemens CERT site is strongly recommended for any WinCC OA deployment as part of your overall security strategy.