CVE-2005-3642: IBM Informix Dynamic Database Server

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

IBM Informix Dynamic Database server running on Windows XP with Simple File Sharing enabled, allows remote attackers to bypass authentication and log on to the guest account by supplying an invalid username.

Affected products

• IBM Informix Dynamic Database Server: version 9.3 only; version 9.40.uc1 only; version 9.40.uc2 only; version 9.40.uc3 only

Published 2005-11-16. Last modified 2026-06-16.