Microsoft SharePoint CVE-2019-1443 Information Disclosure Vulnerability



Date Discovered

November 12, 2019


Microsoft SharePoint is prone to an information-disclosure vulnerability. Attackers can exploit this issue to obtain sensitive information that may aid in further attacks.

Technologies Affected

  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Foundation 2010 SP2
  • Microsoft SharePoint Foundation 2013 SP1
  • Microsoft SharePoint Server 2019


Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Permitting local access to trusted individuals only will greatly prove to mitigate the likelihood of exploitation.

Implement multiple authentication mechanisms.
Implement measures such as .htaccess to provide an additional layer of authentication for sensitive PHP scripts. This may limit the impact of malicious users gaining unauthorized access to session variables.

Updates are available. Please see the references or vendor advisory for more information.



Saif ElSherei of MSRC Vulnerabilities and Mitigations Team

© 1995- Symantec Corporation

Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from


The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.

Symantec, Symantec products, Symantec Security Response, and are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners.