{"id":"CVE-2003-0904","aliases":["EUVD-2003-0894","GHSA-wpp8-hx5r-4jfx"],"status":"published","title":"Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication,...","description":"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.","severity":{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.08119,"percentile":0.94867,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2004-01-08T05:00:00Z","modified":"2026-06-16T22:03:09Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"sharepoint_services"},{"vendor":"microsoft","product":"windows_server_2003"}],"references":[{"url":"http://www.securityfocus.com/bid/9409","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.kb.cert.org/vuls/id/530660","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A477","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/9118","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://secunia.com/advisories/10615","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory"]},{"url":"http://www.microsoft.com/exchange/support/e2k3owa.asp","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/13869","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-002","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.ntbugtraq.com/default.asp?pid=36\u0026sid=1\u0026A2=ind0311\u0026L=ntbugtraq\u0026F=P\u0026S=\u0026P=9281","tags":["mailing-list","x_refsource_NTBUGTRAQ","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0904"},{"url":"https://github.com/advisories/GHSA-wpp8-hx5r-4jfx"}],"sources":{"cve":[{"id":"CVE-2003-0904","description":"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.","status":"published","published":"2004-01-08T05:00:00Z","modified":"2024-08-08T02:05:12.815Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2003-0894","description":"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.","status":"published","published":"2004-01-08T05:00:00Z","modified":"2024-08-08T02:05:12Z","updated_at":"2026-11-03T01:15:05.487655Z"}],"ghsa":[{"id":"GHSA-wpp8-hx5r-4jfx","title":"Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication,...","description":"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.","status":"published","published":"2022-04-29T01:27:11Z","modified":"2023-01-30T05:01:42Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:46:28.346354Z"}],"nvd":[{"id":"CVE-2003-0904","description":"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.","status":"published","published":"2004-01-20T05:00:00Z","modified":"2026-06-16T22:03:09.67Z","cvss":[{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:00:48.212104Z"}]}}