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
Published Apr 30, 2008
7.5
HIGHCVSS 2.0
EPSS 4.05%
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.
Affected products
No data.
- 1.1.4
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.05% (0.04054) | 90.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.05% (0.04054) | 89.29th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.59% (0.04592) | 88.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.64% (0.05644) | 83.52th | v4 (v2025.03.14) |
| Mar 28, 2025 | 4.59% (0.04592) | 88.22th | v4 (v2025.03.14) |
| Mar 27, 2025 | 5.64% (0.05644) | 88.97th | v4 (v2025.03.14) |
| Mar 20, 2025 | 4.59% (0.04592) | 88.29th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.64% (0.05644) | 89.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.81% (0.03806) | 87.33th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.37% (0.01372) | 86.84th | v3 (v2023.03.01) |
| Mar 8, 2024 | 0.82% (0.00824) | 81.48th | v3 (v2023.03.01) |
| May 13, 2023 | 0.82% (0.00824) | 79.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.76% (0.00764) | 78.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.30% (0.12300) | 95.31th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.30% (0.12300) | 94.94th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.30% (0.12300) | 89.42th | v2 (v2022.01.01) |
References (6)
- http://securityreason.com/securityalert/3836 third-party-advisoryx_refsource_SREASON
- http://www.rooksecurity.com/blog/?p=6 x_refsource_MISC
- http://www.securityfocus.com/archive/1/491128/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/28866 vdb-entryx_refsource_BID
- http://www.simplemachines.org/community/index.php?P=c3696c2022b54fa50c5f341bf5710aa3&topic=236816.0 x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42150 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://securityreason.com/securityalert/3836 | third-party-advisoryx_refsource_SREASON | |
| http://www.rooksecurity.com/blog/?p=6 | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/491128/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/28866 | vdb-entryx_refsource_BID | |
| http://www.simplemachines.org/community/index.php?P=c3696c2022b54fa50c5f341bf5710aa3&topic=236816.0 | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/42150 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.