CVE-2021-40337 : Vulnerability Insights and Analysis

In December 2021, Hitachi Energy's LinkOne product was identified with a Cross-site Scripting (XSS) vulnerability. This CVE-2021-40337 affects versions 3.20 to 3.26.

Understanding CVE-2021-40337

This CVE-2021-40337 relates to a Cross-site Scripting (XSS) vulnerability in Hitachi Energy's LinkOne product, impacting versions 3.20 to 3.26.

What is CVE-2021-40337?

CVE-2021-40337 is a security vulnerability that allows attackers to execute malicious scripts on web pages viewed by other users.

The Impact of CVE-2021-40337

The vulnerability has a CVSS base score of 4.2 (Medium severity) with an attack complexity of HIGH. While no availability impact is reported, there are risks to confidentiality and integrity.

Technical Details of CVE-2021-40337

This section covers the technical aspects of the CVE-2021-40337 vulnerability.

Vulnerability Description

Hitachi Energy LinkOne 3.20 to 3.26 is susceptible to Cross-site Scripting (XSS) attacks, enabling threat actors to conduct various web-based attacks and extract sensitive data.

Affected Systems and Versions

Product: Hitachi Energy LinkOne
Versions affected: 3.20, 3.22, 3.23, 3.24, 3.25, 3.26

Exploitation Mechanism

The attacker exploits the XSS vulnerability in LinkOne to inject malicious scripts, potentially leading to the theft of sensitive information.

Mitigation and Prevention

Protect your systems and data from CVE-2021-40337 by following these guidelines:

Immediate Steps to Take

Apply the available patch for each affected version.

Long-Term Security Practices

Regularly update software versions to stay protected against known vulnerabilities.

Patching and Updates

Update LinkOne to version 3.27 to mitigate the CVE-2021-40337 vulnerability.