CVE-2009-0093
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.
Key facts
- CVSS score
- 3.5 (v2.0)
- Severity
- LOW
- CVSS vector
AV:N/AC:M/Au:S/C:N/I:P/A:N- Weakness (CWE)
- CWE-20
- EPSS score
- 17.0% (97th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0102)
- Published
- March 11, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0102 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows 2000
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2003
- microsoft / windows server 2008
- microsoft / windows server 2008
Certified products that may be affected
11 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Microsoft Windows Server 2008 R2 Hyper-V Release 6.1.7600 - Microsoft Corporation - Common Criteria BSI-DSZ-CC-0755-2012 - archived
- Microsoft Windows 7, Microsoft Windows Server 2008 R2 - Microsoft Corporation - Common Criteria CCEVS-VR-10390-2010 - archived
- Windows Server 2008 R2 BitLocker™ Drive Encryption - Microsoft Corporation - FIPS 140 1339 - historical
- Windows Server 2008 R2 Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 1337 - historical
- Microsoft Windows Server 2008 R2 Kernel Mode Cryptographic Primitives Library (cng.sys) - Microsoft Corporation - FIPS 140 1335 - historical
See all 11 in the Security Certifications Explorer.
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(US Government Resource)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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