CVE-2025-2223: Information Disclosure Vulnerability

CVE-2025-2223 Overview

CVE-2025-2223 is an Improper Input Validation vulnerability (CWE-20) affecting Schneider Electric engineering workstation software. This vulnerability occurs when a malicious project file is loaded by a user from the local system, potentially leading to a complete compromise of confidentiality, integrity, and availability of the affected engineering workstation.

Critical Impact

A successful exploitation of this vulnerability could allow an attacker to gain full control over an engineering workstation through a maliciously crafted project file, potentially compromising industrial control system environments.

Affected Products

• Schneider Electric engineering workstation software (see Schneider Electric Security Notice for specific product versions)

Discovery Timeline

• 2025-04-09 - CVE-2025-2223 published to NVD
• 2025-04-09 - Last updated in NVD database

Technical Details for CVE-2025-2223

Vulnerability Analysis

This vulnerability stems from improper input validation when the engineering workstation software processes project files. The software fails to adequately validate the contents of project files before processing them, allowing maliciously crafted files to execute unintended operations. When a user opens a specially crafted project file from the local system, the lack of proper validation can lead to arbitrary code execution or other malicious activities.

The local attack vector requires user interaction, meaning an attacker must convince a victim to open a malicious project file. This could be achieved through social engineering tactics such as phishing emails containing malicious project files or by compromising shared network locations where legitimate project files are stored.

Root Cause

The root cause of CVE-2025-2223 is the failure to properly validate and sanitize input data within project files before processing. The engineering workstation software does not implement sufficient boundary checks or data type validation, allowing malformed or malicious data structures within project files to trigger unintended behavior.

This type of vulnerability is particularly concerning in industrial control system (ICS) environments where engineering workstations are used to configure and manage critical infrastructure components.

Attack Vector

The attack requires local access and user interaction to be exploited. An attacker would need to craft a malicious project file and deliver it to the target user through various means:

1. Email-based delivery: Sending phishing emails with malicious project file attachments
2. Compromised file shares: Replacing legitimate project files on network shares
3. Supply chain attacks: Injecting malicious content into project files during transfer or storage
4. Insider threats: Direct placement of malicious files on target systems

Once the victim opens the malicious project file using the vulnerable engineering workstation software, the improper input validation allows the attacker to compromise the system's confidentiality, integrity, and availability.

Detection Methods for CVE-2025-2223

Indicators of Compromise

• Unexpected project files appearing in engineering workstation directories
• Unusual process activity spawned from the engineering workstation application
• Anomalous network connections initiated by the engineering workstation software
• Suspicious file access patterns or modifications to system files after opening project files

Detection Strategies

• Monitor file access events for project files being opened from unusual locations or by unexpected users
• Implement file integrity monitoring on critical engineering workstation directories
• Deploy endpoint detection and response (EDR) solutions to identify suspicious behavior following project file operations
• Enable detailed application logging to capture project file parsing activities

Monitoring Recommendations

• Configure SIEM alerts for unusual activity patterns on engineering workstations
• Implement user behavior analytics to detect anomalous project file access
• Monitor for unexpected child processes spawned by the engineering workstation application
• Track network connections from engineering workstations to identify potential command and control activity

How to Mitigate CVE-2025-2223

Immediate Actions Required

• Review the Schneider Electric Security Notice (SEVD-2025-098-01) for specific patch information
• Restrict access to engineering workstations to authorized personnel only
• Implement application whitelisting to prevent execution of unauthorized code
• Train users to verify the source and integrity of project files before opening

Patch Information

Schneider Electric has published a security notice addressing this vulnerability. Organizations should consult the Schneider Electric Security Notice (SEVD-2025-098-01) for detailed patch availability and installation instructions. It is recommended to apply patches during scheduled maintenance windows and test in non-production environments first.

Workarounds

• Only open project files from trusted and verified sources
• Store project files in access-controlled directories with integrity monitoring enabled
• Implement network segmentation to isolate engineering workstations from general corporate networks
• Use offline or air-gapped systems for critical engineering operations when possible
• Perform hash verification on project files before opening to ensure integrity