CVE-2019-1443 Information disclosure in Microsoft SharePoint Enterprise Server
An authenticated attacker can upload a crafted file to SharePoint to obtain SMB hashes, exposing sensitive credentials.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1443?
CVE-2019-1443 is a medium-severity vulnerability in Microsoft Sharepoint Enterprise Server, published on 12 Nov 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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'.
Weakness: CWE-434
Which versions are affected by CVE-2019-1443?
It affects 3 products.
Products include Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Foundation, Microsoft Sharepoint Server.
How do I fix CVE-2019-1443?
No fix has been published for CVE-2019-1443 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-1443 being exploited?
There is no known exploitation of CVE-2019-1443 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Sharepoint Enterprise Server
- CVE-2019-0604 Microsoft SharePoint Remote Code Execution
- CVE-2023-24955 Microsoft SharePoint Server Code Injection
- CVE-2025-49706 Microsoft SharePoint Improper Authentication
- CVE-2020-1210 Microsoft SharePoint Remote Code Execution Vulnerability
- CVE-2020-1595 Microsoft SharePoint Remote Code Execution Vulnerability
Sources
Also known as GHSA-w9rf-6jf8-g4w9.