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TI-1999-00280 Aliases CVE-1999-0284GHSA-v64w-xq9r-xp4x

Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a…

Priority MEDIUM 46CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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

Why it matters now

EPSS 0.11533 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:ibm:lotus_domino_mail_server:*:*:*:*:*:*:*:*all versionsVulnerableIBM
cpe:2.3:a:microsoft:exchange_server:4.0:-:*:*:*:*:*:*4.0VulnerableMicrosoft
cpe:2.3:a:microsoft:exchange_server:5.0:-:*:*:*:*:*:*5.0VulnerableMicrosoft
  • cpe:2.3:a:ibm:lotus_domino_mail_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·IBM
  • cpe:2.3:a:microsoft:exchange_server:4.0:-:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:exchange_server:5.0:-:*:*:*:*:*:* Versions 5.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-0284
  2. 2026-10-03 Alias added: GHSA-v64w-xq9r-xp4x

References

—

Sources