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CVE-2009-3131

9.3 · HIGH

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2;…

Published Nov 11, 2009microsoftCWE-94EPSS 24.88%

Overview

CVE-2009-3131 is a high-severity vulnerability affecting microsoft compatibility_pack_word_excel_powerpoint. It was published on November 11, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a spreadsheet with a crafted formula embedded in a cell, aka "Excel Formula Parsing Memory Corruption Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update compatibility_pack_word_excel_powerpoint to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.securitytracker.com/id?1023157Refwww.us-cert.gov/cas/techalerts/TA09-314A.htmlRefdocs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6518Refwww.securitytracker.com/id?1023157Refwww.us-cert.gov/cas/techalerts/TA09-314A.htmlRefdocs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6518

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3131?

CVE-2009-3131 is a high-severity vulnerability affecting microsoft compatibility_pack_word_excel_powerpoint. It was published on November 11, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2009-3131?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3131?

Check the references section for vendor advisories and patches from microsoft. Update compatibility_pack_word_excel_powerpoint to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3131?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3131 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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