CVE-2002-0054

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 22.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2002-03-08 · updated 2026-06-16
Weakness: CWE-294

Description

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.

Affected products

Microsoft Exchange Server: 5.5, 5.5-sp1, 5.5-sp2, 5.5-sp3, 5.5-sp4
Microsoft Windows 2000: all versions

References

http://marc.info/?l=bugtraq&m=101501580409373&w=2
http://www.securityfocus.com/bid/4205
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-011
http://marc.info/?l=bugtraq&m=101501580409373&w=2
http://www.securityfocus.com/bid/4205
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-011

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