CVE-2007-3308

CVE-2007-3308 is a high-severity vulnerability in Simple Machines Simple Machines Forum with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Simple Machines Forum (SMF) 1.1.2 uses a concatenation method with insufficient randomization when creating a WAV file CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated brute-force attack.

Frequently asked questions

What is CVE-2007-3308?
Simple Machines Forum (SMF) 1.1.2 uses a concatenation method with insufficient randomization when creating a WAV file CAPTCHA, which allows remote attackers to pass the CAPTCHA test via an automated brute-force attack.
How severe is CVE-2007-3308?
CVE-2007-3308 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-3308 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3308?
CVE-2007-3308 affects Simple Machines Simple Machines Forum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3308?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-3308 published?
CVE-2007-3308 was published on 2007-06-21 and last updated on 2026-06-16.

References

Affected products (1)

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