CVE-2001-0063: Freebsd

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

procfs in FreeBSD and possibly other operating systems allows local users to bypass access control restrictions for a jail environment and gain additional privileges.

Affected products

• Freebsd Freebsd: version 3.5.1 only; version 4.1 only; version 4.1.1 only; version 4.2 only

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