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CVE-2011-4508

9.3 · HIGH

The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI pan…

Published Feb 3, 2012siemensCWE-287EPSS 2.98%

Overview

CVE-2011-4508 is a high-severity vulnerability affecting siemens wincc_flexible. It was published on February 3, 2012 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime generates predictable authentication tokens for cookies, which makes it easier for remote attackers to bypass authentication via a crafted cookie.

Remediation

Check the references section for vendor advisories and patches from siemens. Update wincc_flexible 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
siemenswincc0Affected

References

Refwww.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfRefwww.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfRefwww.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfRefwww.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4508?

CVE-2011-4508 is a high-severity vulnerability affecting siemens wincc_flexible. It was published on February 3, 2012 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2011-4508?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4508?

Check the references section for vendor advisories and patches from siemens. Update wincc_flexible 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-2011-4508?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4508 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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