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CVE-2003-0110

MEDIUM · CVSS 5.0EPSS 18.0%EU EUVD

The Winsock Proxy service in Microsoft Proxy Server 2.0 and the Microsoft Firewall service in Internet Security and Acceleration (ISA) Server 2000 allow remote attackers to cause a denial of service (CPU consumption or packet storm) via a spoofed, malformed packet to UDP port 1745.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS score
18.0% (97th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2003-0106)
Published
May 5, 2003
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2003-0106 in the EU Vulnerability Database. Last updated in EUVD on August 8, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / isa server
  • microsoft / isa server
  • microsoft / isa server
  • microsoft / proxy server
  • microsoft / proxy server

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2003-0110: MEDIUM severity (CVSS 5.0)