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CVE-2011-4041

10.0 · HIGH

webvrpcs.exe in Advantech/BroadWin WebAccess allows remote attackers to execute arbitrary code or obtain a security-code value via a long string in an RPC request to TCP port 4592.

Published Feb 6, 2012broadwinCWE-94EPSS 17.69%

Overview

CVE-2011-4041 is a high-severity vulnerability affecting broadwin webaccess. It was published on February 6, 2012 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

webvrpcs.exe in Advantech/BroadWin WebAccess allows remote attackers to execute arbitrary code or obtain a security-code value via a long string in an RPC request to TCP port 4592.

Remediation

Check the references section for vendor advisories and patches from broadwin. Update webaccess 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

Refreversemode.com/index.php?option=com_content&task=view&id=72&Itemid=1Refwww.reversemode.com/downloads/Scada_Trojans_Ruben_Rootedcon.pdfRefwww.reversemode.com/downloads/exploit_advantech.zipRefwww.securityfocus.com/archive/1/517117Refwww.securityfocus.com/bid/47008Refwww.us-cert.gov/control_systems/pdf/ICS-ALERT-11-081-01.pdfRefwww.us-cert.gov/control_systems/pdf/ICSA-11-094-02A.pdfRefreversemode.com/index.php?option=com_content&task=view&id=72&Itemid=1Refwww.reversemode.com/downloads/Scada_Trojans_Ruben_Rootedcon.pdfRefwww.reversemode.com/downloads/exploit_advantech.zip

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4041?

CVE-2011-4041 is a high-severity vulnerability affecting broadwin webaccess. It was published on February 6, 2012 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2011-4041?

This vulnerability has a CVSS 2.0 base score of 10.0, 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-2011-4041?

Check the references section for vendor advisories and patches from broadwin. Update webaccess 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-2011-4041?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4041 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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