CVE-2021-35956 Explained : Impact and Mitigation

This article provides an overview of CVE-2021-35956, a stored cross-site scripting (XSS) vulnerability affecting AKCP sensorProbe devices before SP480-20210624. Learn about the impact, technical details, and mitigation strategies for this security issue.

Understanding CVE-2021-35956

CVE-2021-35956 is a stored cross-site scripting (XSS) vulnerability found in the embedded webserver of AKCP sensorProbe devices before version SP480-20210624. This flaw allows remote authenticated attackers to inject arbitrary JavaScript code through specific fields, potentially leading to various malicious activities.

What is CVE-2021-35956?

The vulnerability enables remote authenticated attackers to introduce arbitrary JavaScript via the Sensor Description, Email (from/to/cc), System Name, and System Location fields in AKCP sensorProbe devices. This could be exploited for cross-site scripting attacks.

The Impact of CVE-2021-35956

As a stored XSS vulnerability, CVE-2021-35956 poses a significant risk to the security of AKCP sensorProbe devices. Attackers with remote authenticated access can inject malicious scripts, potentially leading to data theft, unauthorized access, and other harmful consequences.

Technical Details of CVE-2021-35956

The vulnerability allows remote authenticated attackers to inject arbitrary JavaScript code into specific fields within AKCP sensorProbe devices. This manipulation can be performed via the Sensor Description, Email (from/to/cc), System Name, and System Location parameters.

Vulnerability Description

The stored XSS issue in AKCP sensorProbe devices before SP480-20210624 enables attackers to introduce arbitrary JavaScript, making it possible to execute unauthorized actions on the affected systems.

Affected Systems and Versions

AKCP sensorProbe devices before SP480-20210624 are impacted by this vulnerability, highlighting the importance of timely firmware updates and security patches.

Exploitation Mechanism

Remote authenticated attackers can exploit this vulnerability by injecting malicious JavaScript into the specified fields, leveraging the stored XSS flaw to execute unauthorized actions.

Mitigation and Prevention

Addressing CVE-2021-35956 requires immediate actions to secure affected AKCP sensorProbe devices and prevent potential exploitation.

Immediate Steps to Take

Users should update their AKCP sensorProbe devices to version SP480-20210624 or later to mitigate the risk of stored XSS attacks. Additionally, monitoring system logs for suspicious activities can help detect potential exploits.

Long-Term Security Practices

Implementing robust security measures, such as regular security audits, employee training on cybersecurity best practices, and network segmentation, can enhance the overall defense against XSS vulnerabilities.

Patching and Updates

Regularly checking for firmware updates and security patches from AKCP, and promptly applying them to the devices, is crucial to address known vulnerabilities and ensure the continued protection of AKCP sensorProbe devices.