CVE-2009-1122

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Summary

CVECVE-2009-1122
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-06-10 18:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe WebDAV extension in Microsoft Internet Information Services (IIS) 5.0 on Windows 2000 SP4 does not properly decode URLs, which allows remote attackers to bypass authentication, and possibly read or create files, via a crafted HTTP request, aka "IIS 5.0 WebDAV Authentication Bypass Vulnerability," a different vulnerability than CVE-2009-1535.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-287 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Microsoft Internet Information Services 5.0 All All All
Operating System Microsoft Windows 2000 - sp4 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
US-CERT Technical Cyber Security Alert TA09-160A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov Third Party Advisory, US Government Resource
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Third Party Advisory
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org Third Party Advisory
Microsoft IIS 5.0 WebDAV Authentication Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[VIM] IIS WebDav Vulnerability CVE ID af854a3a-2127-422b-91ae-364da2661108 www.attrition.org Third Party Advisory
Microsoft Internet Information Services WebDAV Bug Lets Remote Users Bypass Authentication - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Microsoft Security Bulletin MS09-020 - Important | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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