VULNERABILITY INTELLIGENCE
CVE-2009-0093
CVSS score3.5 LOW
EPSS probability17.02%
CISA KEVNot currently listed
Published2009-03-11
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:S/C:N/I:P/A:N
Description
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.
Weakness classification
- CWE-20: Improper Input Validation