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CVE-2009-0094

MEDIUM · CVSS 5.5EPSS 23.5%EU EUVD

The WINS server in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 does not restrict registration of the (1) "wpad" and (2) "isatap" NetBIOS names, which allows remote authenticated users to hijack the Web Proxy Auto-Discovery (WPAD) and Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) features, and conduct man-in-the-middle attacks by spoofing a proxy server or ISATAP route, by registering one of these names in the WINS database, aka "WPAD WINS Server Registration Vulnerability," a related issue to CVE-2007-1692.

Key facts

CVSS score
5.5 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:S/C:N/I:P/A:P
EPSS score
23.5% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0103)
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-2009-0103 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected 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.

See all 11 in the Security Certifications Explorer.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2009-0094: MEDIUM severity (CVSS 5.5)