CVE-2002-0578: ACI 4d Webserver

High severity, CVSS 7.5. EPSS: 3.5% chance of exploitation in the next 30 days.

Buffer overflow in 4D WebServer 6.7.3 allows remote attackers to cause a denial of service and possibly execute arbitrary code via an HTTP request with Basic Authentication containing a long (1) user name or (2) password.

Affected products

• ACI 4d Webserver: version 6.5.7 only

Published 2002-06-18. Last modified 2026-06-16.