CVE-2001-0327: Iplanet Web Server

Medium severity, CVSS 5.0. EPSS: 3.1% chance of exploitation in the next 30 days.

iPlanet Web Server Enterprise Edition 4.1 and earlier allows remote attackers to retrieve sensitive data from memory allocation pools, or cause a denial of service, via a URL-encoded Host: header in the HTTP request, which reveals memory in the Location: header that is returned by the server.

Affected products

• Iplanet Iplanet Web Server: up to and including 4.1_enterprise

Published 2001-07-02. Last modified 2026-06-16.