CVE-2013-0081

What it is

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."

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

76.3% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2012-11-27 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2013-09-11 14:03 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-16 23:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 76.3% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2013-09-11 14:03 UTC

Last modified

2026-06-16 23:48 UTC

Exploit probability

76.3% · EPSS, next 30 days

Weakness

CWE-20 · Improper input validation

Record status

Modified

Affected

• Microsoft Sharepoint Foundation 2010
• Microsoft Sharepoint Foundation 2013
• Microsoft Sharepoint Portal Server 2003
• Microsoft Sharepoint Server 2007
• Microsoft Sharepoint Server 2010
• Microsoft Sharepoint Server 2013
• Microsoft Sharepoint Services 2.0
• Microsoft Sharepoint Services 3.0

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2013-0081.md and follow it. Check whether this project is affected by CVE-2013-0081. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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