CVE-1999-0820
CVSS 2.0 Score 4.6 of 10 (medium)
Details
Published Dec 1, 1999
Updated: Nov 20, 2024
Summary
CVE-1999-0820 is a vulnerability affecting the FreeBSD seyon utility. An attacker can exploit this issue by manipulating a user's PATH variable to include a malicious xterm or seyon-emu location. As a result, the seyon command, which should only be executed by root or a privileged user, can be run with the attacker's privileges, granting unauthorized access and potentially leading to system compromise. This vulnerability emphasizes the importance of securely managing user environment variables to prevent privilege escalation attacks.
Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.
Affected Products
- FreeBSD
Affected Vendors
- FreeBSD Project