CVE-1999-1197: Sun Sunos

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

TIOCCONS in SunOS 4.1.1 does not properly check the permissions of a user who tries to redirect console output and input, which could allow a local user to gain privileges.

Affected products

• Sun Sunos: version 4.1.1 only

Published 1990-12-20. Last modified 2026-06-16.