CVE-2001-0971: ACI 4d Webserver

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

Directory traversal vulnerability in ACI 4d webserver allows remote attackers to read arbitrary files via a .. (dot dot) or drive letter (e.g., C:) in an HTTP request.

Affected products

• ACI 4d Webserver: version 6.5.7 only

Published 2001-08-31. Last modified 2026-06-16.