CVE-2000-0563: Apple Mac OS Runtime For Java

High severity, CVSS 10.0. EPSS: 2.6% chance of exploitation in the next 30 days.

The URLConnection function in MacOS Runtime Java (MRJ) 2.1 and earlier and the Microsoft virtual machine (VM) for MacOS allows a malicious web site operator to connect to arbitrary hosts using a HTTP redirection, in violation of the Java security model.

Affected products

• Apple Mac OS Runtime For Java: up to and including 2.1

Published 2000-10-20. Last modified 2026-06-16.