CVE-1999-1253: Sco Internet Faststart

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Vulnerability in a kernel error handling routine in SCO OpenServer 5.0.2 and earlier, and SCO Internet FastStart 1.0, allows local users to gain root privileges.

Affected products

• Sco Internet Faststart: version 1.0 only
• Sco Openserver: up to and including 5.0.2; version 5.0 only

Published 1996-06-07. Last modified 2026-06-16.