CVE-1999-0820: Freebsd

Medium severity, CVSS 4.6. EPSS: 0.7% chance of exploitation in the next 30 days.

FreeBSD seyon allows users to gain privileges via a modified PATH variable for finding the xterm and seyon-emu commands.

Affected products

• Freebsd Freebsd: version 3.3 only

Published 1999-12-01. Last modified 2026-06-16.