{"cve":"CVE-2007-6043","nvd":{"published":"2007-11-20T19:46:00.000","modified":"2026-06-16T22:47:18.927","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"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"],"products":["microsoft:windows_2000"],"source":"nvd","synced_at":"2026-10-19T19:49:50.107194424+00:00"},"epss":{"cve":"CVE-2007-6043","score":0.04725,"percentile":0.91841,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}