CVE-1999-0820

Medium

Published: 01/12/1999(UTC)Updated: 16/06/2026(UTC)Translated: 18/06/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.67%

47th percentile - higher than 47% of all known CVEs

Summary

A vulnerability in FreeBSD seyon allows users to gain elevated privileges via a modified PATH variable used for locating the xterm and seyon-emu commands.

Risk Assessment

Organizations may be exposed to unauthorized access to systems, potentially leading to serious security breaches.

Recommendation

It is recommended to monitor and restrict access to the PATH variable and update the system to the latest version to minimize risk.

Original NVD description (English source)

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