CVE-2021-4084 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-4084, a vulnerability in pimcore/pimcore that allows for Cross-site Scripting (XSS) attacks.

Understanding CVE-2021-4084

In this section, we will delve into what CVE-2021-4084 entails, its impact, technical details, and mitigation strategies.

What is CVE-2021-4084?

The CVE-2021-4084 vulnerability resides in pimcore/pimcore software, leading to an improper neutralization of input during web page generation, making it vulnerable to Cross-site Scripting (XSS) attacks.

The Impact of CVE-2021-4084

CVE-2021-4084 has a CVSS v3.0 base score of 7.4, indicating a high severity level. The attack complexity is high, with local attack vector and high impacts on availability, confidentiality, and integrity.

Technical Details of CVE-2021-4084

Let's explore the technical aspects of CVE-2021-4084 vulnerability to gain a deeper understanding.

Vulnerability Description

The vulnerability results from improper neutralization of input during web page generation, allowing threat actors to execute XSS attacks.

Affected Systems and Versions

The pimcore/pimcore versions with a status of 'affected' include custom versions below 10.2.6.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into web pages, leading to unauthorized access and data theft.

Mitigation and Prevention

Learn how to protect your systems against CVE-2021-4084 and prevent potential security breaches.

Immediate Steps to Take

It is crucial to apply security patches, sanitize input data, and implement proper input validation to mitigate the risk of XSS attacks.

Long-Term Security Practices

Regular security audits, security training for developers, and implementing Content Security Policy (CSP) can enhance overall security posture.

Patching and Updates

Stay vigilant for security advisories from pimcore and promptly apply patches and updates to address known vulnerabilities.