CVE-2020-1440 : What You Need to Know
Learn about CVE-2020-1440 affecting Microsoft SharePoint Server. Find out the impact of the tampering vulnerability, affected systems, and mitigation steps to secure your environment.
A tampering vulnerability in Microsoft SharePoint Server allows attackers to modify user profile data upon successful exploitation.
Understanding CVE-2020-1440
This CVE affects various versions of Microsoft SharePoint Servers and requires authentication for exploitation.
What is CVE-2020-1440?
- Vulnerability in Microsoft SharePoint Server handling profile data
- Attackers can tamper with user profile data on the affected server
The Impact of CVE-2020-1440
- Successful exploitation allows unauthorized modification of user profile data
- Attackers need to be authenticated on the SharePoint Server
Technical Details of CVE-2020-1440
This section provides in-depth information on the vulnerability.
Vulnerability Description
A tampering vulnerability arises from incorrect profile data handling in Microsoft SharePoint Server.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016 (v16.0.0)
- Microsoft SharePoint Enterprise Server 2013 SP1 (v15.0.0)
- Microsoft SharePoint Server 2019 (v16.0.0)
- Microsoft SharePoint Server 2010 SP2 (v13.0.0.0)
Exploitation Mechanism
- Attacker must be authenticated on the target SharePoint Server
- Specially crafted request targeting a specific user is required for exploit
Mitigation and Prevention
Effective strategies to mitigate the vulnerability.
Immediate Steps to Take
- Apply the security update provided by Microsoft
- Monitor user profile data for unauthorized modifications
Long-Term Security Practices
- Implement least privilege access controls
- Regularly audit and review user profile data
Patching and Updates
- Ensure timely installation of security patches issued by Microsoft