Microsoft: >> Exchange Server Security Vulnerabilities
Microsoft Exchange 2000, when used with Microsoft Remote Procedure Call (MSRPC), allows remote attackers to cause a denial of service (crash or memory consumption) via malformed MSRPC calls.
CVSS Score
5.0
EPSS Score
0.162
Published
2002-12-31
Microsoft Exchange 2000 allows remote authenticated attackers to cause a denial of service via a large number of rapid requests, which consumes all of the licenses that are granted to Exchange by IIS.
CVSS Score
2.1
EPSS Score
0.008
Published
2002-12-31
An interaction between Microsoft Outlook Web Access (OWA) with RSA SecurID allows local users to bypass the SecurID authentication for a previous user via several submissions of an OWA Authentication request with the proper OWA password for the previous user, which is eventually accepted by OWA.
CVSS Score
2.1
EPSS Score
0.015
Published
2002-08-12
Buffer overflow in Internet Mail Connector (IMC) for Microsoft Exchange Server 5.5 allows remote attackers to execute arbitrary code via an EHLO request from a system with a long name as obtained through a reverse DNS lookup, which triggers the overflow in IMC's hello response.
CVSS Score
7.5
EPSS Score
0.171
Published
2002-08-12
The Store Service in Microsoft Exchange 2000 allows remote attackers to cause a denial of service (CPU consumption) via a mail message with a malformed RFC message attribute, aka "Malformed Mail Attribute can Cause Exchange 2000 to Exhaust CPU Resources."
CVSS Score
5.0
EPSS Score
0.181
Published
2002-06-18
Microsoft Exchange Server 2000 System Attendant gives "Everyone" group privileges to the WinReg key, which could allow remote attackers to read or modify registry keys.
CVSS Score
6.4
EPSS Score
0.113
Published
2002-03-08
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 Score
7.5
EPSS Score
0.082
Published
2002-03-08
SMTP service in Microsoft Windows 2000, Windows XP Professional, and Exchange 2000 allows remote attackers to cause a denial of service via a command with a malformed data transfer (BDAT) request.
CVSS Score
5.0
EPSS Score
0.333
Published
2002-03-08
Outlook Web Access (OWA) in Microsoft Exchange 5.5 Server, when used with Internet Explorer, does not properly detect certain inline script, which can allow remote attackers to perform arbitrary actions on a user's Exchange mailbox via an HTML e-mail message.
CVSS Score
7.5
EPSS Score
0.099
Published
2001-12-06
Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).
CVSS Score
5.0
EPSS Score
0.196
Published
2001-10-30