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CVE-2011-4515

4.6 · MEDIUM

Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive informat…

Published Mar 21, 2013siemensCWE-255EPSS 0.38%

Overview

CVE-2011-4515 is a medium-severity vulnerability affecting siemens wincc_tia_portal. It was published on March 21, 2013 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access.

Remediation

Check the references section for vendor advisories and patches from siemens. Update wincc_tia_portal to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdfRefwww.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdfRefics-cert.us-cert.gov/pdf/ICSA-13-079-03.pdfRefwww.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4515?

CVE-2011-4515 is a medium-severity vulnerability affecting siemens wincc_tia_portal. It was published on March 21, 2013 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2011-4515?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4515?

Check the references section for vendor advisories and patches from siemens. Update wincc_tia_portal to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4515?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4515 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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