CVE-2021-27479 : Exploit Details and Defense Strategies

This CVE-2021-27479 article provides a detailed insight into a security vulnerability found in ZOLL Defibrillator Dashboard prior to version 2.2.

Understanding CVE-2021-27479

This section delves into what CVE-2021-27479 entails and its impact on affected systems.

What is CVE-2021-27479?

The CVE-2021-27479 vulnerability affects ZOLL Defibrillator Dashboard versions prior to 2.2, enabling a low-privileged user to inject malicious scripts into the web application, which can then be executed by higher-privileged users.

The Impact of CVE-2021-27479

The impact of this vulnerability is the potential execution of malicious scripts by users with higher privileges due to the injection of parameters by low-privileged users.

Technical Details of CVE-2021-27479

In this section, we explore the technical aspects of CVE-2021-27479 to understand its implications.

Vulnerability Description

The vulnerability arises from improper neutralization of input during web page generation, leading to cross-site scripting (CWE-79) in ZOLL Defibrillator Dashboard versions prior to 2.2.

Affected Systems and Versions

All versions of ZOLL Defibrillator Dashboard before version 2.2 are affected by this vulnerability.

Exploitation Mechanism

By injecting parameters containing malicious scripts into the web application, a low-privileged user can execute these scripts as higher-privileged users.

Mitigation and Prevention

This section discusses the necessary steps to mitigate and prevent exploitation of CVE-2021-27479.

Immediate Steps to Take

Users are advised to update ZOLL Defibrillator Dashboard to version 2.2 or later to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implement regular security audits and training sessions to maintain a secure environment for web applications.

Patching and Updates

Regularly apply security patches and updates provided by ZOLL for the Defibrillator Dashboard to address known vulnerabilities.