What’s Vulnerable › Vulnerabilities

CVE-1999-0821

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1999-11-08 · updated 2026-06-16

Description

FreeBSD seyon allows local users to gain privileges by providing a malicious program in the -emulator argument.

Affected products

• FreeBSD: 3.3

References

• http://www.securityfocus.com/bid/838
• http://www.securityfocus.com/bid/838

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