CVE-2009-0550
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…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
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."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 11.8% · top 3.9% of all CVEs (5 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (16)
- ADV-2009-1028 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 53619 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 34677 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- TA09-104A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 1022041 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 34678 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:6233 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- oval:org.mitre.oval:def:7569 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://blogs.technet.com/srd/archive/2009/04/14/ntlm-credential-reflection-updates-for-http-clients.aspx (opens in a new tab)x_refsource_MISCx_transferred
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=871138 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 34439 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MS09-014 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- oval:org.mitre.oval:def:5320 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2009-1027 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- MS09-013 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- http://support.avaya.com/elmodocs2/security/ASA-2009-133.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-0550)Record last updated .