{"id":"CVE-2009-2071","aliases":["EUVD-2009-2067","GHSA-xq44-w95m-vr58"],"status":"published","title":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT...","description":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.","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":0.01019,"percentile":0.63599,"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":"2026-06-16T23:08:42Z","products":[{"vendor":"google","product":"chrome"}],"references":[{"url":"http://src.chromium.org/viewvc/chrome?view=rev\u0026revision=11669","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://code.google.com/p/chromium/issues/detail?id=7338","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://research.microsoft.com/pubs/79323/pbp-final-with-update.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/35411","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=479880","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://sites.google.com/a/chromium.org/dev/getting-involved/dev-channel/release-notes/releasenotes1015453","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://code.google.com/p/chromium/issues/detail?id=8473","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://src.chromium.org/viewvc/chrome/branches/release_154.next/src/net/http/http_transaction_winhttp.cc?r1=11621\u0026r2=11669\u0026pathrev=11669","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"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-2009-2071"},{"url":"https://github.com/advisories/GHSA-xq44-w95m-vr58"}],"sources":{"cve":[{"id":"CVE-2009-2071","description":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.","status":"published","published":"2009-06-15T19:00:00Z","modified":"2024-08-07T05:36:20.96Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2067","description":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.","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-xq44-w95m-vr58","title":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT...","description":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.","status":"published","published":"2022-05-02T03:31:35Z","modified":"2023-01-31T05:07:45Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:49:16.50772Z"}],"nvd":[{"id":"CVE-2009-2071","description":"Google Chrome before 1.0.154.53 displays a cached certificate for a (1) 4xx or (2) 5xx CONNECT response page returned by a proxy server, which allows man-in-the-middle attackers to spoof an arbitrary https site by letting a browser obtain a valid certificate from this site during one request, and then sending the browser a crafted 502 response page upon a subsequent request.","status":"published","published":"2009-06-15T19:30:05.733Z","modified":"2026-06-16T23:08:42.247Z","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"}]}}