CVE-2008-6971: Simplemachines Smf

High severity, CVSS 7.5. EPSS: 7.1% chance of exploitation in the next 30 days.

The password reset functionality in Simple Machines Forum (SMF) 1.0.x before 1.0.14, 1.1.x before 1.1.6, and 2.0 before 2.0 beta 4 includes clues about the random number generator state within a hidden form field and generates predictable validation codes, which allows remote attackers to modify passwords of other users and gain privileges.

Affected products

• Simplemachines Smf: version 1.0.12 only; version 1.0.13 only; version 1.1.4 only; version 1.1.5 only; version 2.0 only; version 2.0-beta2 only; …

Published 2009-08-13. Last modified 2026-06-16.