CVE-2023-27980 : What You Need to Know

This CVE-2023-27980 was published on March 21, 2023, by Schneider Electric. It involves a CWE-306: Missing Authentication for Critical Function vulnerability in the Data Server TCP interface that could potentially lead to remote code execution.

Understanding CVE-2023-27980

This CVE involves a vulnerability in the Data Server TCP interface of the IGSS project report directory that could allow an attacker to create a malicious report file, leading to remote code execution when the victim opens the report.

What is CVE-2023-27980?

CVE-2023-27980 is a security vulnerability identified in Schneider Electric's IGSS products, specifically the Data Server, IGSS Dashboard, and Custom Reports. The vulnerability allows unauthorized users to exploit the system and execute malicious code remotely.

The Impact of CVE-2023-27980

The impact of this vulnerability is rated as high with a CVSS v3.1 base score of 8.8. It poses a significant risk to confidentiality, integrity, and availability of the affected systems, potentially leading to unauthorized access and control by malicious actors.

Technical Details of CVE-2023-27980

This section provides more insight into the vulnerability, affected systems, and the exploitation mechanism involved.

Vulnerability Description

The vulnerability stems from the absence of proper authentication for critical functions in the Data Server TCP interface, enabling attackers to craft malicious report files that could trigger remote code execution upon opening.

Affected Systems and Versions

The following Schneider Electric products are affected by CVE-2023-27980:

IGSS Data Server (IGSSdataServer.exe) up to version 16.0.0.23040
IGSS Dashboard (DashBoard.exe) up to version 16.0.0.23040
Custom Reports (RMS16.dll) up to version 16.0.0.23040

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the IGSS project report directory, creating a malicious report file, and enticing a victim to open the compromised report. This could result in the execution of unauthorized code on the victim's system.

Mitigation and Prevention

To mitigate the risks posed by CVE-2023-27980, immediate actions should be taken to secure the affected systems and prevent potential exploitation.

Immediate Steps to Take

Apply security patches and updates provided by Schneider Electric to address the vulnerability.
Implement strong access controls and authentication mechanisms to prevent unauthorized access to the Data Server TCP interface.
Monitor network traffic and system activity for any signs of suspicious behavior.

Long-Term Security Practices

Regularly update and patch all software and firmware to address security vulnerabilities promptly.
Conduct regular security audits and assessments to identify and address potential weaknesses in system configurations.
Educate users and administrators about safe computing practices and the importance of staying vigilant against potential cyber threats.

Patching and Updates

Schneider Electric has released security updates to mitigate CVE-2023-27980. It is crucial for users of the affected products to apply these patches promptly to ensure the security of their systems and data.