CVE-2020-17121 Explained : Impact and Mitigation
Learn about CVE-2020-17121, a critical Remote Code Execution vulnerability in Microsoft SharePoint products. Find out the impacted systems, exploitation risks, and mitigation steps.
Microsoft SharePoint Remote Code Execution Vulnerability was published on December 9, 2020, with a CVSS base score of 8.8.
Understanding CVE-2020-17121
This CVE identifies a Remote Code Execution vulnerability in Microsoft SharePoint products.
What is CVE-2020-17121?
The CVE-2020-17121 is a critical vulnerability that allows remote attackers to execute arbitrary code on affected Microsoft SharePoint servers.
The Impact of CVE-2020-17121
The impact of this vulnerability is rated as HIGH, with a CVSS base score of 8.8, indicating significant risk and potential for exploitation.
Technical Details of CVE-2020-17121
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability allows remote attackers to execute arbitrary code on affected Microsoft SharePoint servers, potentially leading to complete system compromise.
Affected Systems and Versions
The following Microsoft SharePoint products and versions are affected:
- Microsoft SharePoint Foundation 2013 Service Pack 1 (Version 15.0.0)
- Microsoft SharePoint Foundation 2010 Service Pack 2 (Version 13.0.0)
- Microsoft SharePoint Server 2019 (Version 16.0.0)
- Microsoft SharePoint Enterprise Server 2016 (Version 16.0.0)
Exploitation Mechanism
Attackers can exploit this vulnerability remotely without authentication, making it a severe threat to organizations using the affected Microsoft SharePoint products.
Mitigation and Prevention
To mitigate the risks associated with CVE-2020-17121, follow these steps:
Immediate Steps to Take
- Apply the latest security updates provided by Microsoft.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch Microsoft SharePoint products.
- Conduct security assessments and penetration testing to identify vulnerabilities.
Patching and Updates
Ensure that all Microsoft SharePoint products are up to date with the latest security patches to prevent exploitation of this vulnerability.