CVE-2003-0110
The Winsock Proxy service in Microsoft Proxy Server 2.0 and the Microsoft Firewall service in...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2003-0110- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2003-0110- Updated
- 2026-11-02
EUVDEUVD-2003-0106 No score
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.
- Record
EUVD-2003-0106- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rj9f-x466-2vr9 No score
The Winsock Proxy service in Microsoft Proxy Server 2.0 and the Microsoft Firewall service in...
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.
- Record
GHSA-rj9f-x466-2vr9- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-0110 is a medium vulnerability (CVSS 5.0) in Microsoft Proxy Server, published April 15, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 18.0%, the 97th percentile. No source names a fixed version.
References
marc.info?l=bugtraq&m=104994487012027&w=2
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A406
idefense.com/advisory/04.09.03.txt
docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-012
nvd.nist.gov/vuln/detail/CVE-2003-0110
github.com/advisories/GHSA-rj9f-x466-2vr9