CVE-2023-25548 : Security Advisory and Response

This CVE-2023-25548 was reserved on February 7, 2023, by Schneider Electric and published on April 18, 2023. It pertains to an Incorrect Authorization vulnerability affecting Schneider Electric's StruxureWare Data Center Expert software versions up to V7.9.2.

Understanding CVE-2023-25548

This CVE identifies a security issue in StruxureWare Data Center Expert software that could potentially lead to unauthorized access to device credentials on specific endpoints when operated by a low-privileged user.

What is CVE-2023-25548?

The CVE-2023-25548 vulnerability, categorized as CWE-863 Incorrect Authorization, allows hackers to gain access to device credentials on certain DCE endpoints that are inadequately secured, particularly when operated using a low-privileged user account. The affected product versions include StruxureWare Data Center Expert up to V7.9.2.

The Impact of CVE-2023-25548

This vulnerability poses a significant risk as it could result in high confidentiality, integrity, and availability impacts. The CVSS v3.1 base score is 8.8 (High severity), emphasizing the critical nature of this security issue. The attack complexity is rated as low, with the attack vector being through the network and requiring low privileges.

Technical Details of CVE-2023-25548

The vulnerability is attributed to an Incorrect Authorization flaw within the StruxureWare Data Center Expert software. Here are the specific technical details related to the CVE:

Vulnerability Description

The vulnerability allows unauthorized access to device credentials on specific DCE endpoints that are not adequately secured, exploiting the usage of a low-privileged user account.

Affected Systems and Versions

Schneider Electric's product, StruxureWare Data Center Expert, is affected up to version V7.9.2.

Exploitation Mechanism

Hackers can exploit this vulnerability by leveraging a low-privileged user account to gain unauthorized access to device credentials on certain DCE endpoints that lack proper security measures.

Mitigation and Prevention

To address CVE-2023-25548 and enhance the security posture of affected systems, it is crucial to implement the following measures:

Immediate Steps to Take

Immediately apply security patches or updates provided by Schneider Electric for the StruxureWare Data Center Expert software.
Review and secure the specific DCE endpoints to prevent unauthorized access to device credentials.

Long-Term Security Practices

Implement a least-privilege access policy to restrict user privileges based on job requirements.
Regularly monitor and audit user access to sensitive information and devices within the network.

Patching and Updates

Keep abreast of security advisories and updates released by Schneider Electric for the StruxureWare Data Center Expert software to address any vulnerabilities promptly and maintain a secure environment.