CVE-1999-0819

CVSS 2.0 Score 5.0 of 10 (medium)

Details

Published Dec 1, 1999
Updated: Oct 18, 2016

Summary

CVE-1999-0819 refers to a vulnerability in NTMail, an email component of Microsoft Exchange Server 5.5. Despite administrators disabling the VRFY command, which is used to verify email addresses, NTMail fails to enforce this setting, leaving systems open to potential email attacks, such as password guessing and spamming. This weakness can lead to unauthorized access and information disclosure. Organizations using NTMail should promptly update their email servers to mitigate this security risk.

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Affected Products

  • Microsoft Windows NT
  • Microsoft Windows 2000

Affected Vendors

  • Microsoft