CVE-1999-0692: Cray Unicos

High severity, CVSS 10.0. EPSS: 2.4% chance of exploitation in the next 30 days.

The default configuration of the Array Services daemon (arrayd) disables authentication, allowing remote users to gain root privileges.

Affected products

• Cray Unicos: any version
• Sgi Irix: version 6.2 only; version 6.3 only; version 6.4 only; version 6.5 only; version 6.5.1 only; version 6.5.2 only; …

Published 1999-07-19. Last modified 2026-06-16.