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Vulnerabilities

Vulnerability · CVE-2013-0081

Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remot…

Published Sep 11, 2013 · catalog updated Jun 16, 2026 · sharepoint services

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2013-0081 is not in CISA KEV. FIRST estimates a 76.33% chance of exploitation in the next 30 days. Check whether you run sharepoint services.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
76.33%
Remediation
Advisory link
Affected products
cpe microsoft/sharepoint foundation · cpe microsoft/sharepoint portal server · cpe microsoft/sharepoint services

Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/sharepoint foundation2010
  • cpe microsoft/sharepoint foundation2013
  • cpe microsoft/sharepoint portal server2003
  • cpe microsoft/sharepoint services2.0
  • cpe microsoft/sharepoint services3.0

How to fix CVE-2013-0081

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2013-0081 is not in CISA KEV. FIRST estimates a 76.33% chance of exploitation in the next 30 days. Check whether you run sharepoint services.

Which versions are affected?

Compare what you have installed with microsoft/sharepoint foundation 2010; microsoft/sharepoint foundation 2013; microsoft/sharepoint portal server 2003; microsoft/sharepoint services 2.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 76.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Microsoft SharePoint security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 11, 2013 · Monitored products — critical

    Detected

    Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."

Sources

  • CVE.orgVulnerability recordCVE-2013-0081

    Official CVE identifier

    cve.org
  • Monitored products — criticalVendor advisoryCVE-2013-0081

    Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows, which allows remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Monitored products — criticalNov 1, 2026