How severe is CVE-2013-0081?

CVE-2013-0081 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-0081 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-0081?

CVE-2013-0081 primarily affects Microsoft Sharepoint Foundation. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-0081?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-0081 published?

CVE-2013-0081 was published on 2013-09-11 and last updated on 2026-06-16.

CVE-2013-0081

CVE-2013-0081 is a medium-severity vulnerability in Microsoft Sharepoint Foundation with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 77% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 77% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Sharepoint Foundation
Published: 2013-09-11
Last modified: 2026-06-16

Description

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."

Frequently asked questions

What is 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 remote attackers to cause a denial of service (W3WP process hang) via a crafted URL, aka "SharePoint Denial of Service Vulnerability."
How severe is CVE-2013-0081?: CVE-2013-0081 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-0081 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0081?: CVE-2013-0081 primarily affects Microsoft Sharepoint Foundation. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0081?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0081 published?: CVE-2013-0081 was published on 2013-09-11 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:microsoft:sharepoint_foundation:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_foundation:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_foundation:2013:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_portal_server:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2013:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_services:2.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:sharepoint_services:3.0:*:*:*:*:*:*:*

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