What’s Vulnerable › Vulnerabilities

CVE-2007-6043

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-11-20 · updated 2026-06-16
• Weakness: CWE-200

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.

Affected products

• Microsoft Windows 2000: all versions

References

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

Get alerted when CVE-2007-6043 or the next vulnerability affects your stack