Current Description

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.

Basic Data

PublishedMay 05, 2003
Last ModifiedOctober 12, 2018
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeNVD-CWE-Other
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score5.0
Exploitability Score10.0
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.


  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationMicrosoftIsa Server2000*******
    2.3ApplicationMicrosoftIsa Server2000fp1******
    2.3ApplicationMicrosoftIsa Server2000sp1******
    2.3ApplicationMicrosoftProxy Server2.0*******
    2.3ApplicationMicrosoftProxy Server2.0sp1******

Vulnerable Software List

Microsoft Isa Server 2000
Microsoft Proxy Server 2.0


20030409 iDEFENSE Security Advisory 04.09.03: Denial of Service in Microsoft Proxy Server and Internet Security and Acceleration Server 2000 Vendor Advisory