Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008; and WinINet in Microsoft Internet Explorer 5.01 SP4, 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows Server 2003 SP1 and SP2, 7 on Windows Vista Gold and SP1, and 7 on Windows Server 2008; allows remote web servers to capture and replay NTLM credentials, and execute arbitrary code, via vectors related to absence of a "credential-reflection protections" opt-in step, aka "Windows HTTP Services Credential Reflection Vulnerability" and "WinINet Credential Reflection Vulnerability."
Published Apr 15, 2009
9.3
HIGHCVSS 2.0
EPSS 11.84%
Description
Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008; and WinINet in Microsoft Internet Explorer 5.01 SP4, 6 SP1, 6 and 7 on Windows XP SP2 and SP3, 6 and 7 on Windows Server 2003 SP1 and SP2, 7 on Windows Vista Gold and SP1, and 7 on Windows Server 2008; allows remote web servers to capture and replay NTLM credentials, and execute arbitrary code, via vectors related to absence of a "credential-reflection protections" opt-in step, aka "Windows HTTP Services Credential Reflection Vulnerability" and "WinINet Credential Reflection Vulnerability."
Affected products
No data.
Configuration 1
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- gold
- n/a
- n/a
- n/a
- n/a
Configuration 2
- n/a
- 6.0
- 5.01
Configuration 3
- 6
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 4
- 7
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- gold
- n/a
- n/a
- n/a
- n/a
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:N/C:C/I:C/A:C
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 2, 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 (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 11.84% (0.11843) | 95.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.75% (0.11749) | 95.52th | v5 (v2026.06.15) |
| Dec 28, 2025 | 38.59% (0.38591) | 97.10th | v4 (v2025.03.14) |
| Dec 27, 2025 | 34.82% (0.34824) | 96.89th | v4 (v2025.03.14) |
| Oct 28, 2025 | 38.59% (0.38591) | 97.06th | v4 (v2025.03.14) |
| Oct 27, 2025 | 34.82% (0.34824) | 96.83th | v4 (v2025.03.14) |
| Oct 1, 2025 | 38.59% (0.38591) | 97.16th | v4 (v2025.03.14) |
| Mar 30, 2025 | 34.82% (0.34824) | 96.67th | v4 (v2025.03.14) |
| Mar 29, 2025 | 53.44% (0.53441) | 97.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 34.82% (0.34824) | 96.65th | v4 (v2025.03.14) |
| Feb 9, 2025 | 54.90% (0.54902) | 97.83th | v3 (v2023.03.01) |
| Jan 4, 2025 | 56.02% (0.56022) | 97.82th | v3 (v2023.03.01) |
| Dec 17, 2024 | 53.81% (0.53813) | 97.73th | v3 (v2023.03.01) |
| Nov 29, 2024 | 63.18% (0.63178) | 97.96th | v3 (v2023.03.01) |
| Oct 24, 2024 | 56.38% (0.56377) | 97.76th | v3 (v2023.03.01) |
| Sep 18, 2024 | 43.17% (0.43168) | 97.40th | v3 (v2023.03.01) |
| Aug 12, 2024 | 37.97% (0.37970) | 97.27th | v3 (v2023.03.01) |
| Jul 9, 2024 | 42.74% (0.42736) | 97.36th | v3 (v2023.03.01) |
| Jun 4, 2024 | 41.24% (0.41237) | 97.30th | v3 (v2023.03.01) |
| Mar 22, 2024 | 39.04% (0.39044) | 97.14th | v3 (v2023.03.01) |
| Oct 13, 2023 | 28.35% (0.28346) | 96.29th | v3 (v2023.03.01) |
| Sep 1, 2023 | 23.95% (0.23947) | 95.97th | v3 (v2023.03.01) |
| Jun 2, 2023 | 18.96% (0.18958) | 95.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 18.50% (0.18500) | 95.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 13.71% (0.13715) | 95.78th | v2 (v2022.01.01) |
| Sep 15, 2022 | 13.71% (0.13715) | 95.58th | v2 (v2022.01.01) |
| Jul 18, 2022 | 15.22% (0.15220) | 95.69th | v2 (v2022.01.01) |
| Jul 17, 2022 | 2.77% (0.02768) | 82.02th | v2 (v2022.01.01) |
| Jul 15, 2022 | 15.22% (0.15220) | 95.69th | v2 (v2022.01.01) |
| May 13, 2022 | 18.20% (0.18195) | 95.99th | v2 (v2022.01.01) |
| Apr 1, 2022 | 19.88% (0.19884) | 96.07th | v2 (v2022.01.01) |
| Mar 9, 2022 | 19.88% (0.19884) | 93.97th | v2 (v2022.01.01) |
| Feb 4, 2022 | 21.39% (0.21388) | 94.19th | v2 (v2022.01.01) |
No CWE recorded.
References (16)
- http://blogs.technet.com/srd/archive/2009/04/14/ntlm-credential-reflection-updates-for-http-clients.aspx x_refsource_MISC
- http://osvdb.org/53619 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/34677 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/34678 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/elmodocs2/security/ASA-2009-133.htm x_refsource_CONFIRM
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=871138 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/34439 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1022041 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA09-104A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2009/1027 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1028 vdb-entryx_refsource_VUPEN
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-013 vendor-advisoryx_refsource_MS
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-014 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5320 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6233 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7569 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.