Current Description

The Exchange Collaboration Data Objects (EXCDO) functionality in Microsoft Exchange Server 2000 SP3, 2003 SP1 and SP2, and 2007 allows remote attackers to cause a denial of service (crash) via an Internet Calendar (iCal) file containing multiple X-MICROSOFT-CDO-MODPROPS (MODPROPS) properties in which the second MODPROPS is longer than the first, which triggers a NULL pointer dereference and an unhandled exception.

Basic Data

PublishedMay 08, 2007
Last ModifiedApril 09, 2020
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-476
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:C
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactCOMPLETE
CVSS 2 - Base Score7.8
Exploitability Score10.0
Impact Score6.9
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
    2.3ApplicationMicrosoftExchange Server2000sp3******
    2.3ApplicationMicrosoftExchange Server2003sp1******
    2.3ApplicationMicrosoftExchange Server2003sp2******
    2.3ApplicationMicrosoftExchange Server2007-******

Vulnerable Software List

Microsoft Exchange Server 2000, 2003, 2007


20070509 Exchange Calendar MODPROPS Denial of Service (CVE-2007-0039) List Third Party Advisory
25183 Party Advisory Link
34390 Link
20070508 Exchange Calendar MODPROPS Denial of Service (CVE-2007-0039) Party Advisory VDB Entry
HPSBST02214 Party Advisory VDB Entry
23808 Party Advisory VDB Entry
1018015 Party Advisory VDB Entry
TA07-128A Party Advisory US Government Resource
ADV-2007-1711 Required
MS07-026 Vendor Advisory
exchange-ical-dos(33888) Party Advisory VDB Entry
oval:org.mitre.oval:def:1593 Party Advisory