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Exchange Server

exchange_server

Vendor: Microsoft • 235 CVEs

CVEs (235)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
1Exchange Server
Apr 16, 2026
Jul 21, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
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...Show more
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.Show less
1Microsoft
1Exchange Server
Apr 16, 2026
Jul 16, 2001
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Microsoft
2Exchange Server
Internet Information Services
Apr 16, 2026
Jun 2, 2001
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Microsoft
1Exchange Server
Apr 16, 2026
Mar 12, 2001
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Microsoft
1Exchange Server
Apr 16, 2026
Jan 9, 2001
N/A· v4
N/A· v3
7.5 HIGH· v2
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.
1Microsoft
1Exchange Server
Apr 16, 2026
Dec 11, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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" vu...Show more
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.Show less
1Microsoft
2Exchange Server
Outlook
Apr 16, 2026
Jun 5, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Microsoft
3Exchange Server
OutlookWindows Messaging
Apr 16, 2026
Feb 29, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 R...Show more
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.Show less
1Microsoft
1Exchange Server
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Microsoft Exchange Server 5.5 and 5.0 does not properly handle (1) malformed NNTP data, or (2) malformed SMTP data, which allows remote attackers to cause a denial of service (application error).
1Microsoft
1Exchange Server
Apr 16, 2026
Dec 13, 1999
N/A· v4
N/A· v3
7.5 HIGH· v2
Modifications to ACLs (Access Control Lists) in Microsoft Exchange 5.5 do not take effect until the directory store cache is refreshed.
1Microsoft
1Exchange Server
Apr 16, 2026
Aug 6, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Microsoft Exchange 5.5 allows a remote attacker to relay email (i.e. spam) using encapsulated SMTP addresses, even if the anti-relaying features are enabled.
1Microsoft
1Exchange Server
Apr 16, 2026
Dec 1, 1998
N/A· v4
N/A· v3
10.0 HIGH· v2
The LDAP bind function in Exchange 5.5 has a buffer overflow that allows a remote attacker to conduct a denial of service or execute commands.
2Broadcom
Microsoft
3Arcserve Backup
Exchange ServerInoculan
Apr 16, 2026
Nov 12, 1998
N/A· v4
N/A· v3
4.6 MEDIUM· v2
The installation of 1ArcServe Backup and Inoculan AV client modules for Exchange create a log file, exchverify.log, which contains usernames and passwords in plaintext.
5C2net
HpMicrosoft+2 more
13Certificate Server
Collabra ServerDirectory Server+10 more
Apr 16, 2026
Jun 26, 1998
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Information from SSL-encrypted sessions via PKCS #1.
2Ibm
Microsoft
2Exchange Server
Lotus Domino Mail Server
Apr 16, 2026
Jan 1, 1998
N/A· v4
N/A· v3
7.5 HIGH· v2
Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.