Microsoft: >> Exchange Server Security Vulnerabilities
Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.
CVSS Score
5.0
EPSS Score
0.086
Published
2001-09-20
The default configuration of Norton AntiVirus for Microsoft Exchange 2000 2.x allows remote attackers to identify the recipient's INBOX file path by sending an email with an attachment containing malicious content, which includes the path in the rejection notice.
CVSS Score
5.0
EPSS Score
0.028
Published
2001-09-07
An interaction between the Outlook Web Access (OWA) service in Microsoft Exchange 2000 Server and Internet Explorer allows attackers to execute malicious script code against a user's mailbox via a message attachment that contains HTML code, which is executed automatically.
CVSS Score
7.5
EPSS Score
0.077
Published
2001-07-21
Microsoft Exchange 5.5 2000 allows remote attackers to cause a denial of service (hang) via exceptional BER encodings for the LDAP filter type field, as demonstrated by the PROTOS LDAPv3 test suite.
CVSS Score
5.0
EPSS Score
0.114
Published
2001-07-16
IIS 5.0 and Microsoft Exchange 2000 allow remote attackers to cause a denial of service (memory allocation error) by repeatedly sending a series of specially formatted URL's.
CVSS Score
5.0
EPSS Score
0.123
Published
2001-06-02
Buffer overflow in Internet Mail Service (IMS) for Microsoft Exchange 5.5 and 5.0 allows remote attackers to conduct a denial of service via AUTH or AUTHINFO commands.
CVSS Score
5.0
EPSS Score
0.213
Published
2001-03-12
The installation of Microsoft Exchange 2000 before Rev. A creates a user account with a known password, which could allow attackers to gain privileges, aka the "Exchange User Account" vulnerability.
CVSS Score
7.5
EPSS Score
0.065
Published
2001-01-09
Microsoft Exchange Server 5.5 does not properly handle a MIME header with a blank charset specified, which allows remote attackers to cause a denial of service via a charset="" command, aka the "Malformed MIME Header" vulnerability.
CVSS Score
5.0
EPSS Score
0.1
Published
2000-12-11
Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From.
CVSS Score
5.0
EPSS Score
0.155
Published
2000-06-05
Microsoft email clients in Outlook, Exchange, and Windows Messaging automatically respond to Read Receipt and Delivery Receipt tags, which could allow an attacker to flood a mail system with responses by forging a Read Receipt request that is redirected to a large distribution list.
CVSS Score
5.0
EPSS Score
0.13
Published
2000-02-29