High

CVE-2002-0054 - Unspecified vulnerability in Microsoft Exchange Server/Windows 2000

Publication: 2002-03-08
Summary

SMTP service in (1) Microsoft Windows 2000 and (2) Internet Mail Connector (IMC) in Exchange Server 5.5 does not properly handle responses to NTLM authentication, which allows remote attackers to perform mail relaying via an SMTP AUTH command using null session credentials.

Risk level (CVSS 7.5)

High

7.5

Access Vector

  • Network
  • Adjacent Network
  • Local

Access Complexity

  • Low
  • Medium
  • High

Authentication

  • None
  • Single
  • Multiple

Confident. Impact

  • Complete
  • Partial
  • None

Integrity Impact

  • Complete
  • Partial
  • None

Affected Products

  • Microsoft Exchange Server 5.5
  • Microsoft Windows 2000
  • Microsoft Exchange Server 5.5
  • Microsoft Exchange Server 5.5
  • Microsoft Exchange Server 5.5
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Exchange Server 5.5
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000
  • Microsoft Windows 2000