CVE-2003-0345

CVE-2003-0345 is a high-severity vulnerability in Microsoft Windows 2000 with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 34% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

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.

Frequently asked questions

What is CVE-2003-0345?
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.
How severe is CVE-2003-0345?
CVE-2003-0345 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0345 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 34% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0345?
CVE-2003-0345 primarily affects Microsoft Windows 2000. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0345?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0345 published?
CVE-2003-0345 was published on 2003-08-18 and last updated on 2026-06-16.

References

Affected products (42)

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