---
title: "CVE-2013-0081: Microsoft SharePoint Portal Server 2003… | CubePath"
description: "Microsoft SharePoint Portal Server 2003 SP3 and SharePoint Server 2007 SP3, 2010 SP1 and SP2, and 2013 do not properly process unassigned workflows…"
language: en
source: https://cubepath.com/security/cve/CVE-2013-0081
---

# CVE-2013-0081: Microsoft SharePoint Portal Server 2003… | CubePath

## 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."

Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2013-0081)

## Key data

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.78468 (78.5% probability)

Percentile

99.6%

Scores of

Nov 10, 2026

Model

v2026.06.15

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [MS13-067](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-067)  (docs.microsoft.com) vendor-advisory
- [oval:org.mitre.oval:def:19036](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19036)  (oval.cisecurity.org) vdb-entry signature
- [TA13-253A](http://www.us-cert.gov/ncas/alerts/TA13-253A)  (us-cert.gov) third-party-advisory

## Timeline

1. ID reserved Nov 27, 2012
2. Record published Sep 11, 2013
3. Record last updated Aug 6, 2024

## Look up another CVE

## About CubePath

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:01 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)