THREATPORT/VULNERABILITY/CVE-2003-0345
HIGH SEVERITY

CVE-2003-0345

Windows 2000 vulnerability

CVSS
7.5
EPSS
34.6%
EPSS pct
98th
Exploited
No known
Buffer overflow in the SMB capability for Microsoft Windows XP, 2000, and NT allows remote attackers to cause a denial of service and possibly execute arbitrary code via an SMB packet that specifies a smaller buffer length than is required.
Affected vendor
Microsoft
Affected product
Windows 2000
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published
2003-08-18

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 confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 34.6% 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-2003-0345

  • Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2003-0345.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-0345

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-0345 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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