THREATPORT/VULNERABILITY/CVE-2003-0226
MEDIUM SEVERITY

CVE-2003-0226

Internet Information Services vulnerability

CVSS
5.0
EPSS
40.7%
EPSS pct
99th
Exploited
No known
Microsoft Internet Information Services (IIS) 5.0 and 5.1 allows remote attackers to cause a denial of service via a long WebDAV request with a (1) PROPFIND or (2) SEARCH method, which generates an error condition that is not properly handled.
Affected vendor
Microsoft
Affected product
Internet Information Services
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2003-06-09

Risk analysis

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

Its EPSS score of 40.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2003-0226

  • Confirm whether Microsoft Internet Information Services is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-0226.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-0226

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-0226 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2003-0226?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2003-0226.

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