CVE-2009-0093
LOWEPSS 97th pctlDescription
Windows DNS Server in Microsoft Windows 2000 SP4, Server 2003 SP1 and SP2, and Server 2008, when dynamic updates are enabled, does not restrict registration of the "wpad" hostname, which allows remote authenticated users to hijack the Web Proxy Auto-Discovery (WPAD) feature, and conduct man-in-the-middle attacks by spoofing a proxy server, via a Dynamic Update request for this hostname, aka "DNS Server Vulnerability in WPAD Registration Vulnerability," a related issue to CVE-2007-1692.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
References
- http://blog.ncircle.com/blogs/vert/archives/2009/03/successful_exploit_renders_mic.html
- http://blogs.technet.com/srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx
- http://osvdb.org/52519
- http://secunia.com/advisories/34217
- http://support.avaya.com/elmodocs2/security/ASA-2009-083.htm
- http://www.securityfocus.com/bid/33989
- http://www.securitytracker.com/id?1021830
- http://www.us-cert.gov/cas/techalerts/TA09-069A.html
- http://www.vupen.com/english/advisories/2009/0661
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-008
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6138
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.