What’s Vulnerable › Vulnerabilities

CVE-1999-0284

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2000-02-04 · updated 2026-06-16
• Weakness: CWE-120

Description

Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.

Affected products

• IBM Lotus Domino Mail Server: all versions
• Microsoft Exchange Server: 4.0, 5.0

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0284
• https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0284

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