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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 76.3%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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."
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 76.33% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- microsoft/sharepoint foundation · microsoft/sharepoint portal server · microsoft/sharepoint server · microsoft/sharepoint services
- Source
- secure@microsoft.com
EPSS 76.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.us-cert.gov/ncas/alerts/TA13-253AUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-067
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19036
- http://www.us-cert.gov/ncas/alerts/TA13-253AUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-067
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19036
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.