CVE-2021-34074 : Exploit Details and Defense Strategies

This article provides an overview of CVE-2021-34074, a vulnerability found in PandoraFMS <=7.54 that allows arbitrary file upload leading to remote command execution via the File Manager.

Understanding CVE-2021-34074

This section delves into the details of the CVE-2021-34074 vulnerability and its implications.

What is CVE-2021-34074?

PandoraFMS <=7.54 is susceptible to arbitrary file upload, enabling threat actors to execute remote commands through the File Manager by using a relative path in the requests.

The Impact of CVE-2021-34074

The vulnerability in PandoraFMS <=7.54 poses a serious risk as it allows unauthorized individuals to upload files and execute remote commands, potentially leading to full system compromise.

Technical Details of CVE-2021-34074

This section outlines the technical aspects of the CVE-2021-34074 vulnerability.

Vulnerability Description

The flaw in PandoraFMS <=7.54 enables malicious actors to upload arbitrary files, bypassing the platform's security mechanisms and executing commands remotely.

Affected Systems and Versions

All versions of PandoraFMS up to 7.54 are impacted by this vulnerability, exposing systems to the risk of unauthorized file uploads and remote command execution.

Exploitation Mechanism

By utilizing a relative path in the requests, threat actors can circumvent PandoraFMS's security controls, upload malicious files, and execute commands on the target system.

Mitigation and Prevention

In this section, we explore measures to mitigate the risks associated with CVE-2021-34074.

Immediate Steps to Take

Organizations should immediately update PandoraFMS to a patched version beyond 7.54 and review their systems for any signs of unauthorized file uploads or suspicious activities.

Long-Term Security Practices

Implementing robust access controls, monitoring for unusual file upload activities, and conducting regular security audits can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and updates released by PandoraFMS is essential to ensure protection against known vulnerabilities like CVE-2021-34074.