Which products and versions are affected by CVE-2013-0081?

Affected: Sharepoint Foundation (Microsoft) versions 2010-sp1, 2010-sp2, 2013; Sharepoint Portal Server (Microsoft) versions 2003-sp3; Sharepoint Server (Microsoft) versions 2007-sp3, 2010-sp1, 2010-sp2, 2013, among others. The full list is in the CVE brief.

Is CVE-2013-0081 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2013-0081 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2013-0081?

No public exploit code is known.

Is there a fix for CVE-2013-0081?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2013-0081 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2013-0081

Medium

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…

Published Sep 11, 2013 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2013-0081 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Sharepoint Foundation (Microsoft), Sharepoint Portal Server (Microsoft), Sharepoint Server (Microsoft) and 1 more product.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 76% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

5.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS (30-day exploit likelihood)

76%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2013-0081 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

10 affected entries in total

Product	Affected versions	Fixed in
Sharepoint FoundationMicrosoft	2010-sp1, 2010-sp2, 2013	n/a
Sharepoint Portal ServerMicrosoft	2003-sp3	n/a
Sharepoint ServerMicrosoft	2007-sp3, 2010-sp1, 2010-sp2, 2013	n/a
Sharepoint ServicesMicrosoft	2.0, 3.0	n/a

Timeline

Publicly disclosed
Sep 11, 2013
Last updated
Apr 28, 2026

Weakness Type

CWE-20 Improper Input Validation

References

FAQ

Common Questions.

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."
Affected: Sharepoint Foundation (Microsoft) versions 2010-sp1, 2010-sp2, 2013; Sharepoint Portal Server (Microsoft) versions 2003-sp3; Sharepoint Server (Microsoft) versions 2007-sp3, 2010-sp1, 2010-sp2, 2013, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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