CVE-2021-23228 : Security Advisory and Response

This article provides an overview of CVE-2021-23228, a vulnerability found in Delta Electronics' DIAEnergie software.

Understanding CVE-2021-23228

This CVE affects DIAEnergie version 1.7.5 and earlier, making it susceptible to a reflected cross-site scripting attack.

What is CVE-2021-23228?

CVE-2021-23228 is a vulnerability in DIAEnergie that allows attackers to execute a cross-site scripting attack through error pages returned by “.NET Request.QueryString”.

The Impact of CVE-2021-23228

With a CVSS base score of 7.5, this high-severity vulnerability could compromise the integrity of affected systems without requiring user interaction.

Technical Details of CVE-2021-23228

Delta Electronics' DIAEnergie version 1.7.5 and prior are susceptible to reflected cross-site scripting attacks.

Vulnerability Description

The vulnerability arises from error pages returned by “.NET Request.QueryString”, enabling malicious actors to execute cross-site scripting attacks.

Affected Systems and Versions

All instances running DIAEnergie version 1.7.5 and earlier are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the error pages returned by the software.

Mitigation and Prevention

If you are using DIAEnergie version 1.7.5 or earlier, consider the following steps to mitigate the risk and prevent exploitation.

Immediate Steps to Take

Users are advised to update to DIAEnergie version 1.8.0 or later to safeguard their systems against this vulnerability.

Long-Term Security Practices

Implement secure coding practices, input validation, and output encoding to mitigate the risk of cross-site scripting attacks.

Patching and Updates

Delta Electronics has released an updated version of DIAEnergie (v1.8.0) to address CVE-2021-23228. It is recommended to install the latest version on all affected systems.