CVE-2021-45789 : Exploit Details and Defense Strategies

An arbitrary file read vulnerability was found in Metersphere v1.15.4, allowing authenticated users to read any file on the server via the file download function.

Understanding CVE-2021-45789

This CVE involves a security issue in the Metersphere application that enables unauthorized file access.

What is CVE-2021-45789?

The vulnerability in Metersphere v1.15.4 permits authenticated users to read arbitrary files on the server through the file download feature.

The Impact of CVE-2021-45789

This vulnerability could lead to unauthorized access to sensitive files and data on the server, compromising confidentiality and integrity.

Technical Details of CVE-2021-45789

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The flaw in Metersphere v1.15.4 allows authenticated users to download and read any file on the server, potentially exposing critical data.

Affected Systems and Versions

Affected Systems: Metersphere v1.15.4
Affected Versions: All versions prior to the patch for this vulnerability

Exploitation Mechanism

Unauthorized users exploit the file download functionality in Metersphere to access and read files on the server, leveraging authenticated privileges.

Mitigation and Prevention

Protect your systems from this vulnerability with the following steps.

Immediate Steps to Take

Apply the latest security patches provided by Metersphere promptly.
Restrict access permissions to sensitive files to authorized personnel only.
Monitor file access logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch your software to prevent known vulnerabilities.
Conduct security training for users to raise awareness about file access best practices.

Patching and Updates

Ensure timely installation of security updates and patches released by Metersphere to address this vulnerability.