What’s Vulnerable › Vulnerabilities

CVE-2013-1330

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 30.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-09-11 · updated 2026-06-16
• Weakness: CWE-20

Description

The default configuration of Microsoft SharePoint Portal Server 2003 SP3, SharePoint Server 2007 SP3 and 2010 SP1 and SP2, and Office Web Apps 2010 does not set the EnableViewStateMac attribute, which allows remote attackers to execute arbitrary code by leveraging an unassigned workflow, aka "MAC Disabled Vulnerability."

Affected products

• Microsoft Office Web Apps: 2010-sp1
• Microsoft SharePoint Foundation 2013 Service Pack 1: 2010-sp1, 2010-sp2
• Microsoft Sharepoint Portal Server: 2003-sp3
• Microsoft SharePoint Server: 2007-sp3, 2010-sp1, 2010-sp2
• Microsoft Sharepoint Services: 2.0, 3.0

References

• http://www.us-cert.gov/ncas/alerts/TA13-253A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-067
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-105
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19040
• http://www.us-cert.gov/ncas/alerts/TA13-253A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-067
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-105
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19040

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