CVE-2005-1556: Gamespy SDK Cd-Key Validation Toolkit

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Gamespy cd-key validation system allows remote attackers to cause a denial of service (cd-key already in use) by capturing and replaying a cd-key authorization session.

Affected products

  • Gamespy Gamespy SDK Cd-Key Validation Toolkit: any version

Published 2005-05-14. Last modified 2026-06-16.