THREATPORT/VULNERABILITY/CVE-2009-0094
MEDIUM SEVERITY

CVE-2009-0094

Windows 2000 vulnerability

CVSS
5.5
EPSS
23.5%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Microsoft
Affected product
Windows 2000
CVSS vector
AV:N/AC:L/Au:S/C:N/I:P/A:P
Published
2009-03-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to integrity, partial impact to availability.

Its EPSS score of 23.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2009-0094

  • Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-0094.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-0094

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-0094 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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