CVE-2001-0102: Apple macOS

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

"Multiple Users" Control Panel in Mac OS 9 allows Normal users to gain Owner privileges by removing the Users & Groups Data File, which effectively removes the Owner password and allows the Normal user to log in as the Owner account without a password.

Affected products

• Apple macOS: any version

Published 2001-02-12. Last modified 2026-06-16.