Search Results (181 CVEs found)

CVE Vendors Products Updated CVSS v3.1
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-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-2005-1987 1 Microsoft 4 Exchange Server, Windows 2000, Windows Server 2003 and 1 more 2026-04-16 N/A
Buffer overflow in Collaboration Data Objects (CDO), as used in Microsoft Windows and Microsoft Exchange Server, allows remote attackers to execute arbitrary code when CDOSYS or CDOEX processes an e-mail message with a large header name, as demonstrated using the "Content-Type" string.
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-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-1999-0682 1 Microsoft 1 Exchange Server 2026-04-16 N/A
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.
CVE-2004-0203 1 Microsoft 1 Exchange Server 2026-04-16 N/A
Cross-site scripting (XSS) vulnerability in Outlook Web Access for Exchange Server 5.5 Service Pack 4 allows remote attackers to insert arbitrary script and spoof content in HTML email or web caches via an HTML redirect query.
CVE-1999-0284 2 Ibm, Microsoft 2 Lotus Domino Mail Server, Exchange Server 2026-04-16 N/A
Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command.
CVE-2005-0044 1 Microsoft 7 Exchange Server, Windows 2000, Windows 2003 Server and 4 more 2026-04-16 N/A
The OLE component in Windows 98, 2000, XP, and Server 2003, and Exchange Server 5.0 through 2003, does not properly validate the lengths of messages for certain OLE data, which allows remote attackers to execute arbitrary code, aka the "Input Validation Vulnerability."
CVE-2001-0543 1 Microsoft 3 Exchange Server, Windows 2000, Windows Nt 2026-04-16 N/A
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.
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-1999-1322 2 Broadcom, Microsoft 3 Arcserve Backup, Inoculan, Exchange Server 2026-04-16 N/A
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.
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>
CVE-2021-31207 1 Microsoft 1 Exchange Server 2025-10-30 6.6 Medium
Microsoft Exchange Server Security Feature Bypass Vulnerability
CVE-2020-0688 1 Microsoft 1 Exchange Server 2025-10-29 8.8 High
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
CVE-2020-17144 1 Microsoft 1 Exchange Server 2025-10-29 8.4 High
Microsoft Exchange Remote Code Execution Vulnerability
CVE-2018-8581 1 Microsoft 1 Exchange Server 2025-10-28 7.4 High
An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
CVE-2020-17143 1 Microsoft 1 Exchange Server 2025-08-28 8.8 High
Microsoft Exchange Server Information Disclosure Vulnerability