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
Published Jan 8, 2004
6.0
MEDIUMCVSS 2.0
EPSS 8.16%
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.
Affected products
No data.
Configuration 1
- 2003
- 2.0
Configuration 2
- n/a
- n/a
- n/a
- n/a
- r2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.16% (0.08162) | 94.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.16% (0.08162) | 94.11th | v5 (v2026.06.15) |
| Dec 28, 2025 | 14.16% (0.14163) | 94.14th | v4 (v2025.03.14) |
| Dec 27, 2025 | 17.32% (0.17325) | 94.85th | v4 (v2025.03.14) |
| Oct 28, 2025 | 14.16% (0.14163) | 94.06th | v4 (v2025.03.14) |
| Oct 27, 2025 | 17.32% (0.17325) | 94.77th | v4 (v2025.03.14) |
| Oct 1, 2025 | 14.16% (0.14163) | 94.17th | v4 (v2025.03.14) |
| Sep 12, 2025 | 17.32% (0.17325) | 94.80th | v4 (v2025.03.14) |
| Jul 30, 2025 | 26.15% (0.26147) | 96.07th | v4 (v2025.03.14) |
| Mar 30, 2025 | 21.89% (0.21894) | 95.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.90% (0.11900) | 89.55th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.22% (0.21218) | 95.20th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.01% (0.07006) | 93.89th | v3 (v2023.03.01) |
| Nov 5, 2024 | 2.94% (0.02944) | 91.11th | v3 (v2023.03.01) |
| Mar 20, 2024 | 0.53% (0.00526) | 76.48th | v3 (v2023.03.01) |
| Jan 23, 2024 | 0.53% (0.00526) | 74.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.45% (0.00452) | 71.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.61% (0.05612) | 90.06th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.61% (0.05612) | 89.08th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.61% (0.05612) | 76.70th | v2 (v2022.01.01) |
References (9)
- http://secunia.com/advisories/10615 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.kb.cert.org/vuls/id/530660 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.microsoft.com/exchange/support/e2k3owa.asp x_refsource_CONFIRMPatchVendor Advisory
- http://www.ntbugtraq.com/default.asp?pid=36&sid=1&A2=ind0311&L=ntbugtraq&F=P&S=&P=9281 mailing-listx_refsource_NTBUGTRAQThird Party Advisory
- http://www.securityfocus.com/bid/9118 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/9409 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-002 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13869 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A477 vdb-entrysignaturex_refsource_OVALThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/10615 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://www.kb.cert.org/vuls/id/530660 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.microsoft.com/exchange/support/e2k3owa.asp | x_refsource_CONFIRMPatchVendor Advisory | |
| http://www.ntbugtraq.com/default.asp?pid=36&sid=1&A2=ind0311&L=ntbugtraq&F=P&S=&P=9281 | mailing-listx_refsource_NTBUGTRAQThird Party Advisory | |
| http://www.securityfocus.com/bid/9118 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/9409 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-002 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/13869 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A477 | vdb-entrysignaturex_refsource_OVALThird Party Advisory |
Change history (0)
No recorded changes yet.