CVE-2007-0039

Name: CVE-2007-0039
Creator: NVD / NIST
Published: 2007-05-08T23:19:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 44.57%

Last modified Jun 16, 2026

CVE-2007-0039 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 44.57% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

44.57%

98.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions	Update
Microsoft	Exchange Server	2000	Sp3
Microsoft	Exchange Server	2003	Sp1
Microsoft	Exchange Server	2007	—

References

http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/063232.htmlMailing List, Third Party Advisory
http://secunia.com/advisories/25183Third Party Advisory
http://www.determina.com/security.research/vulnerabilities/exchange-ical-modprops.htmlBroken Link
http://www.osvdb.org/34390Broken Link
http://www.securityfocus.com/archive/1/468047/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/468871/100/200/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/23808Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1018015Third Party Advisory, VDB Entry
http://www.us-cert.gov/cas/techalerts/TA07-128A.htmlThird Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2007/1711Permissions Required
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/33888Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1593Third Party Advisory
http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/063232.htmlMailing List, Third Party Advisory
http://secunia.com/advisories/25183Third Party Advisory
http://www.determina.com/security.research/vulnerabilities/exchange-ical-modprops.htmlBroken Link
http://www.osvdb.org/34390Broken Link
http://www.securityfocus.com/archive/1/468047/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/468871/100/200/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/23808Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1018015Third Party Advisory, VDB Entry
http://www.us-cert.gov/cas/techalerts/TA07-128A.htmlThird Party Advisory, US Government Resource
http://www.vupen.com/english/advisories/2007/1711Permissions Required
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-026Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/33888Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1593Third Party Advisory

Timeline

Published: May 8, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-0039?

How severe is CVE-2007-0039?

Severity scoring for CVE-2007-0039 is pending analysis. The EPSS model estimates a 44.57% probability of exploitation in the next 30 days.

How do I fix CVE-2007-0039?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-0039?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST