CVE-2020-1210 : What You Need to Know

Microsoft SharePoint Remote Code Execution Vulnerability was published on September 11, 2020. It affects multiple versions of Microsoft SharePoint, posing a critical security risk.

Understanding CVE-2020-1210

This CVE involves a remote code execution vulnerability in Microsoft SharePoint, allowing an attacker to run arbitrary code in the context of the SharePoint application pool and server farm account.

What is CVE-2020-1210?

The vulnerability arises from the failure to validate the source markup of an application package in Microsoft SharePoint.
Successful exploitation requires a user to upload a specially crafted SharePoint application package.

The Impact of CVE-2020-1210

Type: Remote Code Execution
Severity: Critical (CVSS Base Score: 9.9)
An attacker can execute arbitrary code, potentially leading to full system compromise.

Technical Details of CVE-2020-1210

The vulnerability details, affected systems, and exploitation mechanism.

Vulnerability Description

Attackers can exploit the flaw to execute code within SharePoint applications.
Affects various Microsoft SharePoint versions listed in the data.

Affected Systems and Versions

Microsoft SharePoint Server 2010, 2013, 2016, 2019, and Business Productivity Servers 2010 SP2.
Platforms: x64-based Systems and Unknown.

Exploitation Mechanism

Exploitation involves uploading a malicious SharePoint application package.

Mitigation and Prevention

Essential steps to secure systems and prevent exploitation.

Immediate Steps to Take

Apply the security update from Microsoft to address the vulnerability.
Deploy network and application firewalls to monitor and filter malicious traffic.
Implement the principle of least privilege to restrict user permissions.

Long-Term Security Practices

Regularly update and patch Microsoft SharePoint and associated software.
Conduct security training for users on identifying and handling suspicious content.
Monitor and audit SharePoint application package uploads and user activities.

Patching and Updates

Microsoft has released a security update to fix the vulnerability in affected versions of SharePoint.