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CVE-2013-1330

HIGH · CVSS 10.0EPSS 30.2%EU EUVD

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."

Key facts

CVSS score
10.0 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
30.2% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-1370)
Published
September 11, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-1370 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / office web apps
  • microsoft / office web apps
  • microsoft / sharepoint foundation
  • microsoft / sharepoint foundation
  • microsoft / sharepoint portal server
  • microsoft / sharepoint server
  • microsoft / sharepoint server
  • microsoft / sharepoint server
  • microsoft / sharepoint services
  • microsoft / sharepoint services

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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