{"id":"CVE-2009-2063","aliases":["EUVD-2009-2059","GHSA-5qmq-wqf9-chpc"],"status":"published","title":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL...","description":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01415,"percentile":0.72937,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2009-06-15T19:00:00Z","modified":"2026-06-16T23:08:41Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/35412","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/51204","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://research.microsoft.com/apps/pubs/default.aspx?id=79323","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2063"},{"url":"https://github.com/advisories/GHSA-5qmq-wqf9-chpc"}],"sources":{"cve":[{"id":"CVE-2009-2063","description":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.","status":"published","published":"2009-06-15T19:00:00Z","modified":"2024-08-07T05:36:20.46Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2059","description":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.","status":"published","published":"2009-06-15T19:00:00Z","modified":"2024-08-07T05:36:20Z","updated_at":"2026-11-03T01:39:18.878997Z"}],"ghsa":[{"id":"GHSA-5qmq-wqf9-chpc","title":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL...","description":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.","status":"published","published":"2022-05-02T03:31:16Z","modified":"2023-01-31T05:07:21Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:49:11.691089Z"}],"nvd":[{"id":"CVE-2009-2063","description":"Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.","status":"published","published":"2009-06-15T19:30:05.547Z","modified":"2026-06-16T23:08:41.233Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:01:35.733785Z"}]}}