What’s Vulnerable › Vulnerabilities

CVE-2000-1011

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2000-12-11 · updated 2026-06-16

Description

Buffer overflow in catopen() function in FreeBSD 5.0 and earlier, and possibly other OSes, allows local users to gain root privileges via a long environmental variable.

Affected products

• FreeBSD: 3.0, 3.1, 3.2, 3.3, 3.4, 3.5 (+6)

References

• http://www.osvdb.org/6070
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5638
• http://www.osvdb.org/6070
• https://exchange.xforce.ibmcloud.com/vulnerabilities/5638

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