CVE-2021-22823 : Security Advisory and Response

This article provides details about CVE-2021-22823, a vulnerability in the Interactive Graphical SCADA System Data Collector (dc.exe).

Understanding CVE-2021-22823

CVE-2021-22823 is a CWE-306: Missing Authentication for Critical Function vulnerability that allows deletion of arbitrary files in IGSS due to lack of network message validation.

What is CVE-2021-22823?

The vulnerability in the Interactive Graphical SCADA System Data Collector (dc.exe) can be exploited to delete arbitrary files by an attacker.

The Impact of CVE-2021-22823

If exploited, this vulnerability could lead to unauthorized deletion of critical files, potentially causing system disruption or data loss.

Technical Details of CVE-2021-22823

This section covers the technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the lack of authentication for critical functions in the Interactive Graphical SCADA System Data Collector (dc.exe), enabling unauthorized file deletion.

Affected Systems and Versions

Interactive Graphical SCADA System Data Collector (dc.exe) versions V15.0.0.21320 and prior are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending unvalidated network messages to the IGSS, triggering file deletion actions.

Mitigation and Prevention

In this section, you will find steps to mitigate the risk posed by CVE-2021-22823 in the Interactive Graphical SCADA System Data Collector (dc.exe).

Immediate Steps to Take

Users should apply patches provided by the vendor promptly to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implement robust network security measures, access controls, and monitor network traffic to detect and prevent unauthorized file deletion attempts.

Patching and Updates

Regularly check for security updates from the vendor and apply them as soon as they are available to ensure a secure system.