Search Results (248 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2004-0574 1 Microsoft 4 Exchange Server, Windows 2000, Windows Nt and 1 more 2026-04-16 N/A
The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper length validation and an "unchecked buffer," leading to off-by-one and heap-based buffer overflows.
CVE-1999-0945 1 Microsoft 1 Exchange Server 2026-04-16 N/A
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.
CVE-1999-0007 5 C2net, Hp, Microsoft and 2 more 13 Stonghold Web Server, Open Market Secure Webserver, Exchange Server and 10 more 2026-04-16 N/A
Information from SSL-encrypted sessions via PKCS #1.
CVE-2005-0560 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Heap-based buffer overflow in the SvrAppendReceivedChunk function in xlsasink.dll in the SMTP service of Exchange Server 2000 and 2003 allows remote attackers to execute arbitrary code via a crafted X-LINK2STATE extended verb request to the SMTP port.
CVE-2006-0027 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Unspecified vulnerability in Microsoft Exchange allows remote attackers to execute arbitrary code via e-mail messages with crafted (1) vCal or (2) iCal Calendar properties.
CVE-2005-0420 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Microsoft Outlook Web Access (OWA), when used with Exchange, allows remote attackers to redirect users to arbitrary URLs for login via a link to the owalogon.asp application.
CVE-2003-0904 1 Microsoft 3 Exchange Server, Sharepoint Services, Windows Server 2003 2026-04-16 N/A
Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication, does not properly reuse HTTP connections, which can cause OWA users to view mailboxes of other users when Kerberos has been disabled as an authentication method for IIS 6.0, e.g. when SharePoint Services 2.0 is installed.
CVE-2002-0049 1 Microsoft 1 Exchange Server 2026-04-16 N/A
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.
CVE-2000-1139 1 Microsoft 1 Exchange Server 2026-04-16 N/A
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.
CVE-2001-0660 1 Microsoft 1 Exchange Server 2026-04-16 N/A
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).
CVE-2003-0714 1 Microsoft 1 Exchange Server 2026-04-16 N/A
The Internet Mail Service in Exchange Server 5.5 and Exchange 2000 allows remote attackers to cause a denial of service (memory exhaustion) by directly connecting to the SMTP service and sending a certain extended verb request, possibly triggering a buffer overflow in Exchange 2000.
CVE-2001-0726 1 Microsoft 1 Exchange Server 2026-04-16 N/A
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.
CVE-2000-0216 1 Microsoft 3 Exchange Server, Outlook, Windows Messaging 2026-04-16 N/A
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.
CVE-2001-0666 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Outlook Web Access (OWA) in Microsoft Exchange 2000 allows an authenticated user to cause a denial of service (CPU consumption) via a malformed OWA request for a deeply nested folder within the user's mailbox.
CVE-2005-0563 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in Microsoft Outlook Web Access (OWA) component in Exchange Server 5.5 allows remote attackers to inject arbitrary web script or HTML via an email message with an encoded javascript: URL ("jav&#X41sc
ript:") in an IMG tag.
CVE-2023-21529 1 Microsoft 1 Exchange Server 2026-04-14 8.8 High
Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2025-58107 1 Microsoft 4 Exchange, Exchange Server, Exchange Server 2016 and 1 more 2026-03-03 7.5 High
In Microsoft Exchange through 2019, Exchange ActiveSync (EAS) configurations on on-premises servers may transmit sensitive data from Samsung mobile devices in cleartext, including the user's name, e-mail address, device ID, bearer token, and base64-encoded password.
CVE-2021-1730 1 Microsoft 1 Exchange Server 2026-02-24 5.4 Medium
<p>A spoofing vulnerability exists in Microsoft Exchange Server which could result in an attack that would allow a malicious actor to impersonate the user.</p> <p>This update addresses this vulnerability.</p> <p>To prevent these types of attacks, Microsoft recommends customers to download inline images from different DNSdomains than the rest of OWA. Please see further instructions in the FAQ to put in place this mitigations.</p>
CVE-2020-16969 1 Microsoft 1 Exchange Server 2026-02-23 7.1 High
<p>An information disclosure vulnerability exists in how Microsoft Exchange validates tokens when handling certain messages. An attacker who successfully exploited the vulnerability could use this to gain further information from a user.</p> <p>To exploit the vulnerability, an attacker could include specially crafted OWA messages that could be loaded, without warning or filtering, from the attacker-controlled URL. This callback vector provides an information disclosure tactic used in web beacons and other types of tracking systems.</p> <p>The security update corrects the way that Exchange handles these token validations.</p>
CVE-2020-16875 1 Microsoft 1 Exchange Server 2026-02-23 8.4 High
<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p> <p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. Exploitation of the vulnerability requires an authenticated user in a certain Exchange role to be compromised.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Exchange handles cmdlet arguments.</p>