CVE-2021-37923 : Security Advisory and Response

This article discusses a critical vulnerability in Zoho ManageEngine ADManager Plus version 7110 and earlier that allows for unrestricted file upload, leading to remote code execution.

Understanding CVE-2021-37923

This CVE-2021-37923 vulnerability impacts Zoho ManageEngine ADManager Plus versions 7110 and earlier, enabling attackers to remotely execute code through unauthorized file uploads.

What is CVE-2021-37923?

The vulnerability in Zoho ManageEngine ADManager Plus version 7110 and prior permits unrestricted file upload, facilitating malicious actors to execute code remotely.

The Impact of CVE-2021-37923

The impact of CVE-2021-37923 is severe as it enables threat actors to upload files without validation, leading to potential remote code execution on affected systems.

Technical Details of CVE-2021-37923

This section covers the technical aspects of CVE-2021-37923, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

Zoho ManageEngine ADManager Plus version 7110 and earlier is vulnerable to unrestricted file uploads, creating a pathway for remote code execution by malicious entities.

Affected Systems and Versions

The vulnerability affects Zoho ManageEngine ADManager Plus versions 7110 and prior, exposing systems that have not been updated to the latest version.

Exploitation Mechanism

Attackers can exploit CVE-2021-37923 by leveraging the unrestricted file upload capability in Zoho ManageEngine ADManager Plus, allowing them to execute malicious code remotely.

Mitigation and Prevention

In this section, we outline the necessary steps to address and prevent the exploitation of CVE-2021-37923.

Immediate Steps to Take

To mitigate the risk posed by CVE-2021-37923, users should immediately update Zoho ManageEngine ADManager Plus to the latest secure version and restrict file upload permissions.

Long-Term Security Practices

Implementing strict file upload validation processes, conducting regular security audits, and ensuring timely software updates are essential for enhancing long-term security.

Patching and Updates

Regularly monitor for security patches and updates released by Zoho ManageEngine and apply them promptly to safeguard systems against CVE-2021-37923.