CVE-2023-27983 : Security Advisory and Response

This CVE record was published on March 21, 2023, by Schneider Electric. The vulnerability identified as CVE-2023-27983 pertains to a CWE-306: Missing Authentication for Critical Function in the Data Server TCP interface, which could potentially allow an attacker to delete reports from the IGSS project report directory, resulting in data loss.

Understanding CVE-2023-27983

This section delves into the details surrounding CVE-2023-27983, its impact, technical aspects, and how to mitigate the associated risks effectively.

What is CVE-2023-27983?

CVE-2023-27983 involves a critical vulnerability in the IGSS Data Server's TCP interface, where an absence of proper authentication mechanisms allows an attacker to delete reports from the project report directory. This exploit could be abused to compromise data integrity within the affected systems.

The Impact of CVE-2023-27983

The impact of this vulnerability is significant, as unauthorized deletion of reports can lead to the loss of crucial data within the IGSS system, affecting operations, decision-making processes, and overall system reliability.

Technical Details of CVE-2023-27983

In understanding CVE-2023-27983 from a technical perspective, it is crucial to explore specific details such as the vulnerability description, affected systems and versions, and how the exploitation mechanism works.

Vulnerability Description

The vulnerability stems from a lack of proper authentication for critical functions in the Data Server TCP interface, enabling malicious actors to delete reports from the IGSS project report directory.

Affected Systems and Versions

The vulnerability affects the following Schneider Electric products and versions:

IGSS Data Server (IGSSdataServer.exe) prior to V16.0.0.23040
IGSS Dashboard (DashBoard.exe) prior to V16.0.0.23040
Custom Reports (RMS16.dll) prior to V16.0.0.23040

Exploitation Mechanism

By exploiting the missing authentication for critical functions, an attacker can send unauthorized requests to the Data Server TCP interface, resulting in the deletion of reports from the IGSS project report directory.

Mitigation and Prevention

To address CVE-2023-27983 effectively, it is essential to implement immediate steps to mitigate risks, establish long-term security practices, and apply necessary patches and updates to affected systems.

Immediate Steps to Take

Organizations using the affected Schneider Electric products should restrict access to the Data Server TCP interface and ensure robust authentication mechanisms are in place.
Monitor and review access logs for any suspicious activity that may indicate an attempted exploitation of the vulnerability.

Long-Term Security Practices

Implement a comprehensive cybersecurity policy that includes regular security assessments, employee training on best practices, and proactive monitoring for potential vulnerabilities within critical systems.

Patching and Updates

Schneider Electric has likely released patches or updates to address the CVE-2023-27983 vulnerability. It is crucial for organizations to promptly apply these patches following proper testing procedures to secure their systems against potential attacks.