{"cve":"CVE-2004-2659","nvd":{"published":"2004-12-31T05:00:00.000","modified":"2026-06-16T22:10:04.710","status":"Modified","description":"Opera offers an Open button to verify that a user wishes to execute a downloaded file, which allows user-assisted remote attackers to construct a race condition that tricks a user into clicking Open via a request for a different mouse or keyboard action very shortly before the Open dialog appears.  NOTE: this is a different issue than CVE-2005-2407.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-362"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2004-07/0264.html","http://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/","http://archives.neohapsis.com/archives/fulldisclosure/2004-07/0264.html","http://www.squarefree.com/2004/07/01/race-conditions-in-security-dialogs/"],"products":["mozilla:mozilla","opera:opera_browser"],"source":"nvd","synced_at":"2026-10-19T19:38:22.000386253+00:00"},"epss":{"cve":"CVE-2004-2659","score":0.01125,"percentile":0.66291,"date":"2026-10-31"},"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."]}