Cloud Defense Logo

Products

Solutions

Company

Book A Live Demo

CVE-2020-21641 Explained : Impact and Mitigation

Learn about CVE-2020-21641, an Out-of-Band XML External Entity (OOB-XXE) vulnerability in Zoho ManageEngine Analytics Plus allowing remote attackers to read files and scan ports.

Zoho ManageEngine Analytics Plus before version 4.3.5 is affected by an Out-of-Band XML External Entity (OOB-XXE) vulnerability that allows remote attackers to read arbitrary files, enumerate folders, and scan internal ports via a crafted XML license file.

Understanding CVE-2020-21641

This CVE identifies a specific vulnerability in Zoho ManageEngine Analytics Plus that can be exploited by attackers to gain unauthorized access to sensitive information.

What is CVE-2020-21641?

The CVE-2020-21641 vulnerability is an Out-of-Band XML External Entity (OOB-XXE) issue in Zoho ManageEngine Analytics Plus, enabling attackers to perform various malicious actions through a manipulated XML license file.

The Impact of CVE-2020-21641

The vulnerability allows remote attackers to read arbitrary files, enumerate folders, and scan internal ports, potentially leading to unauthorized access to sensitive data and system compromise.

Technical Details of CVE-2020-21641

Zoho ManageEngine Analytics Plus before version 4.3.5 is susceptible to the following:

Vulnerability Description

The OOB-XXE vulnerability in Zoho ManageEngine Analytics Plus allows attackers to exploit XML processing to access unauthorized information.

Affected Systems and Versions

        Product: Zoho ManageEngine Analytics Plus
        Versions affected: Before 4.3.5

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious XML license file to trigger the OOB-XXE flaw and gain unauthorized access.

Mitigation and Prevention

To address CVE-2020-21641, follow these steps:

Immediate Steps to Take

        Update Zoho ManageEngine Analytics Plus to version 4.3.5 or later.
        Monitor for any unauthorized access or unusual activities on the system.

Long-Term Security Practices

        Regularly update software and apply security patches.
        Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

        Apply patches and updates provided by Zoho ManageEngine to mitigate the vulnerability and enhance system security.

Popular CVEs

CVE Id

Published Date

Is your System Free of Underlying Vulnerabilities?
Find Out Now