CVE-2000-0306: Sco Openserver

High severity, CVSS 10.0. EPSS: 3.7% chance of exploitation in the next 30 days.

Buffer overflow in calserver in SCO OpenServer allows remote attackers to gain root access via a long message.

Affected products

• Sco Openserver: up to and including 5.04

Published 2001-03-12. Last modified 2026-06-16.