Arbitrary file upload in Microsoft Sharepoint Enterprise Server
CVE-2019-1443
An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint Server.An authenticated attacker who successfully exploited this vulnerability could potentially leverage SharePoint functionality to obtain SMB hashes.The security update addresses the vulnerability by correcting how SharePoint checks file content., aka 'Microsoft SharePoint Information Disclosure Vulnerability'.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.057 (92.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.057 · newest: 0.057 · change: 0.000
Affected products
- Microsoft Sharepoint Enterprise Server — versions 2016
- Microsoft Sharepoint Foundation — versions 2010 Service Pack 2, 2013 Service Pack 1
- Microsoft Sharepoint Server — versions 2019
- Microsoft Sharepoint Enterprise Server — versions 2016
- Microsoft Sharepoint Foundation — versions 2010, 2013
- Microsoft Sharepoint Server — versions 2019
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1443 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1443?
- CVE-2019-1443 is a medium-severity vulnerability in Microsoft Sharepoint Enterprise Server, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2019-11-12.
- How severe is CVE-2019-1443?
- Medium severity. CVSS v3 base score is 6.5 out of 10.