Vulnerability Report

CVE-2009-0093

Title: Microsoft Windows 2000 Improper Input Validation

Input Validation Error

Proof Of Concept

No public PoC currently indexed for CVE-2009-0093.

CWE Category CWE-20
Published Date Mar 11, 2009
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 3.5 CVSS v2.0
Exploit Probability (EPSS)
17.02%

Vulnerability Summary

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.

Impacted Vendors

M
microsoft 3

Reference Links

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 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
CVSS v2.0
Source Entity [email protected]
Severity LOW
3.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:S/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-0093 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected Stack

No specific products linked.