CVE-2008-2019
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...
- Published
- Apr 30, 2008
- Updated
- Aug 7, 2024
- Assigning CNA
- mitre
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:PLow · next 30 days
- Percentile
- 90.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1Exploit for CVE-2008-2019 bypassing audio captcha in Simple Machines Forum 1.1.4 using hamming distance and levenshtein distance to compare PCM audio and solve challenge responses.
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