CVE-2020-10374 : Exploit Details and Defense Strategies

A webserver component in Paessler PRTG Network Monitor 19.2.50 to PRTG 20.1.56 allows unauthenticated remote command execution via a crafted POST request or the what parameter of the screenshot function in the Contact Support form.

Understanding CVE-2020-10374

This CVE identifies a vulnerability in Paessler PRTG Network Monitor that enables unauthenticated remote command execution.

What is CVE-2020-10374?

The vulnerability in Paessler PRTG Network Monitor versions 19.2.50 to 20.1.56 permits attackers to execute commands remotely without authentication through specific requests.

The Impact of CVE-2020-10374

This vulnerability can be exploited by malicious actors to execute unauthorized commands on the affected system, potentially leading to further compromise or data breaches.

Technical Details of CVE-2020-10374

Paessler PRTG Network Monitor is susceptible to remote command execution due to improper handling of certain requests.

Vulnerability Description

The flaw allows unauthenticated users to execute commands remotely via crafted POST requests or by manipulating the what parameter in the Contact Support form's screenshot function.

Affected Systems and Versions

Affected Versions: Paessler PRTG Network Monitor 19.2.50 to 20.1.56

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted POST requests or manipulating the what parameter in the Contact Support form to execute unauthorized commands.

Mitigation and Prevention

To address CVE-2020-10374, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users and IT staff on best security practices to enhance overall defense.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Ensure that Paessler PRTG Network Monitor is updated to version 20.1.57 or later to mitigate the vulnerability and prevent unauthorized remote command execution.