CVE-2021-33842 : Vulnerability Insights and Analysis

This CVE (Common Vulnerabilities and Exposures) identifier refers to an Improper Authentication vulnerability found in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b. This vulnerability allows an attacker to carry out operations as an authenticated user within the affected device's network.

Understanding CVE-2021-33842

This section provides insights into the nature and impact of the CVE-2021-33842 vulnerability.

What is CVE-2021-33842?

The CVE-2021-33842 vulnerability specifically pertains to an Improper Authentication issue present in the Circutor SGE-PLC1000 firmware version 0.9.2b. It enables a malicious actor to execute operations as an authenticated user, provided the attacker is located within the network where the affected device resides.

The Impact of CVE-2021-33842

The impact of CVE-2021-33842 is significant, as it allows unauthorized access to the affected device, potentially compromising the confidentiality, integrity, and availability of sensitive information and services.

Technical Details of CVE-2021-33842

In this section, we delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper authentication handling in the cookie parameter of the Circutor SGE-PLC1000 firmware version 0.9.2b, enabling unauthorized users to perform operations as authenticated users.

Affected Systems and Versions

The affected system is the Circutor SGE-PLC1000 running firmware version 0.9.2b.

Exploitation Mechanism

To exploit this vulnerability, an attacker must be present within the network where the affected Circutor SGE-PLC1000 device is situated.

Mitigation and Prevention

This section covers the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to apply the firmware upgrade provided by Circutor to address the vulnerability promptly.

Long-Term Security Practices

Implement network segmentation, access controls, and regular security assessments to enhance overall cybersecurity posture.

Patching and Updates

Regularly check for updates and patches from Circutor to mitigate any potential vulnerabilities or security risks.