CVE-2002-0054

high Microsoft
CVSS v3 Base Score
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Score
12.5%
Exploitation probability in 30 days
Top 6% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P
Published: March 8, 2002 (8833 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

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.

CWE

CWE-294

Affected Products

microsoft exchange servermicrosoft windows 2000

References

🔗 marc.info 🔗 www.securityfocus.com 🔗 docs.microsoft.com 🔗 marc.info 🔗 www.securityfocus.com