{"cve":"CVE-2008-2019","nvd":{"published":"2008-04-30T01:07:00.000","modified":"2026-06-16T22:52:56.930","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://securityreason.com/securityalert/3836","http://www.rooksecurity.com/blog/?p=6","http://www.securityfocus.com/archive/1/491128/100/0/threaded","http://www.securityfocus.com/bid/28866","http://www.simplemachines.org/community/index.php?P=c3696c2022b54fa50c5f341bf5710aa3&topic=236816.0"],"products":["simple_machines:smf"],"source":"nvd","synced_at":"2026-10-19T19:51:11.071189229+00:00"},"epss":{"cve":"CVE-2008-2019","score":0.04054,"percentile":0.90649,"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."]}