CVE-2002-0054 - Authentication Bypass by Capture-replay

Severity

75%

Complexity

99%

Confidentiality

106%

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.

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.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

Microsoft

First reported 22 years ago

2002-03-08 05:00:00

Last updated 4 years ago

2020-04-09 13:46:00

Affected Software

Microsoft Exchange Server 5.5

5.5

Microsoft Exchange Server 5.5 Service Pack 1

5.5

Microsoft Exchange Server 5.5 Service Pack 2

5.5

Microsoft Exchange Server 5.5 Service Pack 3

5.5

Microsoft Exchange Server 5.5 Service Pack 4

5.5

Microsoft Windows 2000

Microsoft windows 2000_sp1

Microsoft windows 2000_sp2

References

20020301 IIS SMTP component allows mail relaying via Null Session

Mailing List, Third Party Advisory

4205

Patch, Third Party Advisory, VDB Entry

MS02-011

Patch, Vendor Advisory

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