CVE-2021-46036 Explained : Impact and Mitigation

An arbitrary file upload vulnerability in the component /ms/file/uploadTemplate.do of MCMS v5.2.4 allows attackers to execute arbitrary code.

Understanding CVE-2021-46036

This CVE-2021-46036 involves an arbitrary file upload vulnerability in MCMS v5.2.4, enabling attackers to execute malicious code.

What is CVE-2021-46036?

The CVE-2021-46036 vulnerability pertains to an arbitrary file upload flaw in the /ms/file/uploadTemplate.do component of MCMS v5.2.4, granting attackers the ability to run arbitrary code.

The Impact of CVE-2021-46036

The vulnerability in MCMS v5.2.4 could lead to unauthorized execution of arbitrary code, posing a significant security risk to affected systems.

Technical Details of CVE-2021-46036

This section provides a detailed overview of the technical aspects related to CVE-2021-46036.

Vulnerability Description

The vulnerability in /ms/file/uploadTemplate.do allows threat actors to upload and execute malicious files within MCMS v5.2.4, potentially leading to severe security breaches.

Affected Systems and Versions

Product: MCMS v5.2.4
Vendor: Not applicable
Version Status: Affected

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading and executing malicious files through the /ms/file/uploadTemplate.do component, thereby gaining unauthorized access and control over the system.

Mitigation and Prevention

Protecting systems against CVE-2021-46036 requires immediate actions and long-term security practices.

Immediate Steps to Take

Implement patches and updates provided by the vendor to address the vulnerability promptly.
Restrict access to the vulnerable component and monitor for any suspicious activities.
Consider implementing network-level protections to detect and block potentially malicious file uploads.

Long-Term Security Practices

Regularly review and update security configurations and access controls to prevent unauthorized file uploads.
Conduct routine security audits and penetration testing to identify and remediate any potential vulnerabilities.
Educate users and administrators about safe file upload practices and the risks associated with arbitrary code execution.

Patching and Updates

Ensure that the MCMS v5.2.4 software is up to date with the latest patches and security updates to mitigate the risks associated with the arbitrary file upload vulnerability.