{"id":"CVE-2008-2019","aliases":["EUVD-2008-2017","GHSA-g6xp-5gpp-gjqv"],"status":"published","title":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder...","description":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances.  NOTE: this issue reportedly exists because of an insufficient fix for CVE-2007-3308.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.04054,"percentile":0.90696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-264"],"published":"2008-04-30T01:00:00Z","modified":"2026-06-16T22:52:56Z","exploits":[{"source":"pocgithub","id":"TheRook/AudioCaptchaBypass-CVE-2008-2019","title":"TheRook/AudioCaptchaBypass-CVE-2008-2019","date":"2020-07-02","url":"https://github.com/TheRook/AudioCaptchaBypass-CVE-2008-2019"}],"products":[{"vendor":"simple_machines","product":"smf"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/42150","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://securityreason.com/securityalert/3836","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/bid/28866","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/491128/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.rooksecurity.com/blog/?p=6","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.simplemachines.org/community/index.php?P=c3696c2022b54fa50c5f341bf5710aa3\u0026topic=236816.0","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-2019"},{"url":"https://github.com/advisories/GHSA-g6xp-5gpp-gjqv"}],"sources":{"cve":[{"id":"CVE-2008-2019","description":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances.  NOTE: this issue reportedly exists because of an insufficient fix for CVE-2007-3308.","status":"published","published":"2008-04-30T01:00:00Z","modified":"2024-08-07T08:41:00.258Z","updated_at":"2026-11-02T14:34:44.297409Z"}],"euvd":[{"id":"EUVD-2008-2017","description":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances.  NOTE: this issue reportedly exists because of an insufficient fix for CVE-2007-3308.","status":"published","published":"2008-04-30T01:00:00Z","modified":"2024-08-07T08:41:00Z","updated_at":"2026-11-03T01:38:58.693341Z"}],"ghsa":[{"id":"GHSA-g6xp-5gpp-gjqv","title":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder...","description":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances.  NOTE: this issue reportedly exists because of an insufficient fix for CVE-2007-3308.","status":"published","published":"2022-05-01T23:45:50Z","modified":"2023-01-31T05:06:18Z","updated_at":"2026-11-02T14:49:00.544417Z"}],"nvd":[{"id":"CVE-2008-2019","description":"Simple Machines Forum (SMF), probably 1.1.4, relies on \"randomly generated static\" to hinder brute-force attacks on the WAV file (aka audio) CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated attack that considers Hamming distances.  NOTE: this issue reportedly exists because of an insufficient fix for CVE-2007-3308.","status":"published","published":"2008-04-30T01:07:00Z","modified":"2026-06-16T22:52:56.93Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:26.27008Z"}]}}