CVE-2007-4609: Eyeos Project Eyeos

Medium severity, CVSS 6.4. EPSS: 1.4% chance of exploitation in the next 30 days.

eyeOS uses predictable checksum values in the checknum parameter for access control, which allows remote attackers to register many accounts via doCreateUser actions, add many eyeBoard messages via addMsg actions, and cause a denial of service or conduct certain unauthorized activities, by guessing valid parameter values.

Affected products

• Eyeos Project Eyeos: any version

Published 2007-08-31. Last modified 2026-06-16.