CVE-2003-1011: Apple Mac OS X

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Apple Mac OS X 10.0 through 10.2.8 allows local users with a USB keyboard to gain unauthorized access by holding down the CTRL and C keys when the system is booting, which crashes the init process and leaves the user in a root shell.

Affected products

• Apple Mac OS X: version 10.0 only; version 10.0.1 only; version 10.0.2 only; version 10.0.3 only; version 10.0.4 only; version 10.1 only; …

Published 2004-03-29. Last modified 2026-06-16.