CVE-2020-1460 : What You Need to Know
Learn about CVE-2020-1460, a critical remote code execution flaw in Microsoft SharePoint Server, allowing attackers to run malicious code. Find out how to mitigate and prevent this vulnerability.
Microsoft SharePoint Server Remote Code Execution Vulnerability was published on September 11, 2020, with a CVSS base score of 8.6.
Understanding CVE-2020-1460
A remote code execution flaw in SharePoint Server exposes systems to potential attacks, allowing threat actors to execute arbitrary code remotely.
What is CVE-2020-1460?
This vulnerability in Microsoft SharePoint Server enables authenticated attackers to run malicious code within the security context of the application pool process.
The Impact of CVE-2020-1460
Exploiting this vulnerability can lead to unauthorized actions on the affected SharePoint Server, posing a severe security risk to organizations using this software.
Technical Details of CVE-2020-1460
Microsoft SharePoint Server Remote Code Execution Vulnerability demands attention to its technical aspects for effective mitigation.
Vulnerability Description
The flaw arises from the server's failure to filter unsafe ASP.Net web controls correctly, allowing attackers to craft pages for malicious actions within the SharePoint process.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016 (16.0.0)
- Microsoft SharePoint Enterprise Server 2013 Service Pack 1 (15.0.0)
- Microsoft SharePoint Server 2019 (16.0.0)
- Microsoft SharePoint Foundation 2010 Service Pack 2 (13.0.0)
- Microsoft SharePoint Foundation 2013 Service Pack 1 (15.0.0)
Exploitation Mechanism
To exploit, authenticated users must create and execute a specially crafted page on the vulnerable version of Microsoft SharePoint Server.
Mitigation and Prevention
Protecting systems from CVE-2020-1460 requires immediate actions and ongoing security practices.
Immediate Steps to Take
- Apply the security update provided by Microsoft to patch the vulnerability.
- Monitor for any unusual activities or unauthorized access to the SharePoint environment.
Long-Term Security Practices
- Conduct regular security assessments and audits to detect and remediate vulnerabilities proactively.
Patching and Updates
Ensure timely application of security patches and updates for Microsoft SharePoint Server to prevent exploitation of known vulnerabilities.