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CVE-2006-3423

9.3 · HIGH

WebEx Downloader ActiveX Control and WebEx Downloader Java before 2.1.0.0 do not validate downloaded components, which allows remote attackers to execute arbitrary code via a website that activates…

Published Jul 7, 2006webex_communicationsCWE-20EPSS 8.68%

Overview

CVE-2006-3423 is a high-severity vulnerability affecting webex_communications downloader_activexcontrol. It was published on July 7, 2006 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

WebEx Downloader ActiveX Control and WebEx Downloader Java before 2.1.0.0 do not validate downloaded components, which allows remote attackers to execute arbitrary code via a website that activates the GpcUrlRoot and GpcIniFileName ActiveX controls to cause the client to download a DLL file.

Remediation

Check the references section for vendor advisories and patches from webex_communications. Update downloader_activexcontrol 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

Refsecunia.com/advisories/20956Refsecuritytracker.com/id?1016446Refwww.osvdb.org/27039Refwww.osvdb.org/27040Refwww.securityfocus.com/archive/1/439496/100/0/threadedRefwww.securityfocus.com/bid/18860Refwww.vupen.com/english/advisories/2006/2688Refwww.webex.com/lp/security/ActiveAdv.html?TrackID=123456Refwww.zerodayinitiative.com/advisories/ZDI-06-021.htmlRefxforce.iss.net/xforce/alerts/id/226

How CyberStrike helps

Frequently asked questions

What is CVE-2006-3423?

CVE-2006-3423 is a high-severity vulnerability affecting webex_communications downloader_activexcontrol. It was published on July 7, 2006 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2006-3423?

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-2006-3423?

Check the references section for vendor advisories and patches from webex_communications. Update downloader_activexcontrol 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-2006-3423?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-3423 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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