CVE-2021-31558 : Security Advisory and Response

A detailed overview of CVE-2021-31558, a vulnerability found in Delta Electronics' DIAEnergie software that poses a risk of stored cross-site scripting.

Understanding CVE-2021-31558

This section delves into the specifics of the CVE-2021-31558 vulnerability in Delta Electronics' DIAEnergie software.

What is CVE-2021-31558?

CVE-2021-31558 highlights a vulnerability in DIAEnergie versions 1.7.5 and earlier, exposing systems to stored cross-site scripting attacks.

The Impact of CVE-2021-31558

The vulnerability allows unauthenticated users to inject arbitrary code into the "descr" parameter of the script "DIAE_hierarchyHandler.ashx", potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2021-31558

This section provides in-depth technical insights into the CVE-2021-31558 vulnerability.

Vulnerability Description

DIAEnergie versions 1.7.5 and prior are susceptible to stored cross-site scripting, enabling threat actors to execute malicious scripts.

Affected Systems and Versions

All systems running DIAEnergie version 1.7.5 and earlier are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability arises when an unauthorized user inserts harmful code into the "descr" parameter of "DIAE_hierarchyHandler.ashx" script.

Mitigation and Prevention

Explore strategies to mitigate and prevent exploitation of CVE-2021-31558.

Immediate Steps to Take

Users are advised to upgrade to DIAEnergie version 1.8.0 or newer to eliminate the vulnerability.

Long-Term Security Practices

Enforce strict input validation measures and user authentication protocols to enhance system security.

Patching and Updates

Delta Electronics has issued an updated version of DIAEnergie (v1.8.0) to address the vulnerability. Ensure all affected systems are promptly updated.