CVE-2020-0920 : What You Need to Know
Learn about CVE-2020-0920, a remote code execution vulnerability in Microsoft SharePoint affecting versions 2016, 2019, 2010 Service Pack 2, and 2013 Service Pack 1. Find mitigation steps and patching details.
A remote code execution vulnerability in Microsoft SharePoint affects various versions of the software.
Understanding CVE-2020-0920
What is CVE-2020-0920?
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, known as 'Microsoft SharePoint Remote Code Execution Vulnerability'.
The Impact of CVE-2020-0920
The vulnerability can allow an attacker to execute arbitrary code remotely, potentially leading to unauthorized actions and data breaches.
Technical Details of CVE-2020-0920
Vulnerability Description
The vulnerability stems from a lack of validation for the source markup of an application package in Microsoft SharePoint.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Foundation 2010 Service Pack 2
- Microsoft SharePoint Foundation 2013 Service Pack 1
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious application package containing harmful code and persuading a user to open it within the SharePoint environment.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates and patches provided by Microsoft promptly.
- Implement proper input validation mechanisms within SharePoint environments.
- Monitor and restrict the execution of suspicious or unauthorized applications.
Long-Term Security Practices
- Conduct regular security audits and vulnerability assessments of SharePoint implementations.
- Educate users on recognizing and avoiding potentially harmful application packages.
Patching and Updates
Regularly check for and apply security updates and patches released by Microsoft to address known vulnerabilities.