CVE-2003-0904
Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication,...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2003-0904- CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2003-0904- Updated
- 2026-11-02
EUVDEUVD-2003-0894 No score
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.
- Record
EUVD-2003-0894- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wpp8-hx5r-4jfx No score
Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication,...
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.
- Record
GHSA-wpp8-hx5r-4jfx- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-0904 is a medium vulnerability (CVSS 6.0) in Microsoft Sharepoint Services, published January 8, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.12%, the 94th percentile. No source names a fixed version.