CVE-2009-1122

The 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.

• CWE-287

• http://www.attrition.org/pipermail/vim/2009-June/002192.htmlThird Party Advisory
• http://www.securityfocus.com/bid/35232Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id?1022358Third Party Advisory, VDB Entry
• http://www.us-cert.gov/cas/techalerts/TA09-160A.htmlThird Party Advisory, US Government Resource
• http://www.vupen.com/english/advisories/2009/1539Third Party Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-020Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5861Third Party Advisory
• http://www.attrition.org/pipermail/vim/2009-June/002192.htmlThird Party Advisory
• http://www.securityfocus.com/bid/35232Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id?1022358Third Party Advisory, VDB Entry
• http://www.us-cert.gov/cas/techalerts/TA09-160A.htmlThird Party Advisory, US Government Resource
• http://www.vupen.com/english/advisories/2009/1539Third Party Advisory
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-020Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5861Third Party Advisory

Published

Jun 10, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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