EUVD-2025-21128

Comprehensive Technical Analysis of EUVD-2025-21128

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-21128 pertains to CWE-78, commonly known as OS Command Injection. This type of vulnerability occurs when an application inadequately neutralizes special elements used in OS commands, allowing an attacker to execute arbitrary commands on the host operating system. The severity of this vulnerability is rated with a Base Score of 9.5 (out of 10) using CVSS version 4.0, indicating a critical risk.

The CVSS vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:H breaks down as follows:

• AV:N (Network): The vulnerability is exploitable over the network.
• AC:L (Low): The attack complexity is low, meaning it is relatively easy to exploit.
• AT:P (Physical): The attack requires physical access, but this is not applicable here.
• PR:N (None): No privileges are required to exploit the vulnerability.
• UI:N (None): No user interaction is required.
• VC:H (High): Confidentiality impact is high.
• VI:H (High): Integrity impact is high.
• VA:H (High): Availability impact is high.
• SC:H (High): Scope change is high.
• SI:L (Low): Integrity requirement is low.
• SA:H (High): Availability requirement is high.

Given these metrics, the vulnerability poses a significant threat to the confidentiality, integrity, and availability of the affected systems.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector involves creating a malicious folder over the web interface when HTTP is enabled. Since HTTP is disabled by default, an attacker would need to identify a system where HTTP has been manually enabled. The exploitation method involves injecting OS commands through the folder creation process, leading to unauthenticated remote code execution.

Potential exploitation steps could include:

1. Identifying the target system with HTTP enabled.
2. Crafting a malicious folder name that includes OS commands.
3. Submitting the folder name through the web interface.
4. Executing arbitrary commands on the host system.

3. Affected Systems and Software Versions

The vulnerability affects Schneider Electric's EcoStruxure IT Data Center Expert software, specifically versions v8.3 and prior. Organizations using these versions are at risk and should prioritize mitigation efforts.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

1. Disable HTTP: Ensure that HTTP is disabled and only HTTPS is used for secure communication.
2. Update Software: Upgrade to the latest version of EcoStruxure IT Data Center Expert that addresses this vulnerability.
3. Input Validation: Implement robust input validation and sanitization mechanisms to neutralize special elements in folder names.
4. Network Segmentation: Segment the network to limit access to the web interface, reducing the attack surface.
5. Monitoring and Logging: Enhance monitoring and logging to detect and respond to any suspicious activities related to folder creation.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant, particularly for organizations relying on Schneider Electric's EcoStruxure IT Data Center Expert for data center management. The potential for unauthenticated remote code execution poses a severe risk to critical infrastructure, data integrity, and operational continuity. Organizations must act swiftly to address this vulnerability to prevent potential breaches and ensure compliance with relevant cybersecurity regulations.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Detection: Implement intrusion detection systems (IDS) and intrusion prevention systems (IPS) to detect and block attempts to exploit this vulnerability.
• Patch Management: Ensure a robust patch management process to apply updates promptly.
• Configuration Management: Regularly review and enforce secure configuration settings, particularly for web interfaces.
• Incident Response: Prepare an incident response plan specific to OS command injection vulnerabilities, including steps for containment, eradication, and recovery.
• Awareness and Training: Conduct regular training sessions for IT staff to recognize and respond to command injection attacks.

By addressing these points, organizations can significantly reduce the risk posed by this critical vulnerability and enhance their overall cybersecurity posture.

References

For further details, refer to the official security notice provided by Schneider Electric: SEVD-2025-189-01.pdf

This comprehensive analysis should guide cybersecurity professionals in understanding and mitigating the risks associated with EUVD-2025-21128.