THREATPORT/VULNERABILITY/CVE-2009-0089
MEDIUM SEVERITY

CVE-2009-0089

Windows 2000 vulnerability

CVSS
5.8
EPSS
5.1%
EPSS pct
91th
Exploited
No known
Windows HTTP Services (aka WinHTTP) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, and Vista Gold allows remote web servers to impersonate arbitrary https web sites by using DNS spoofing to "forward a connection" to a different https web site that has a valid certificate matching its own domain name, but not a certificate matching the domain name of the host requested by the user, aka "Windows HTTP Services Certificate Name Mismatch Vulnerability."
Affected vendor
Microsoft
Affected product
Windows 2000
CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:P
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2009-04-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity, partial impact to availability.

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2009-0089

  • Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-0089.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-0089

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-0089 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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