CVE-2023-37196

8.8 HIGH

📋 TL;DR

This SQL injection vulnerability in Schneider Electric's DCE (Data Center Expert) allows authenticated attackers to manipulate endpoint alert settings to access unauthorized data, modify or delete content, or perform unauthorized actions. It affects DCE users with existing authentication. The CVSS 8.8 score indicates high severity.

💻 Affected Systems

Products:
  • Schneider Electric Data Center Expert (DCE)
Versions: All versions prior to DCE v7.9.3
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to DCE interface. Affects systems where DCE is deployed for data center monitoring and management.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of DCE system allowing data exfiltration, configuration changes, or service disruption across managed data center infrastructure.

🟠

Likely Case

Unauthorized access to sensitive monitoring data, manipulation of alert thresholds to hide issues, or privilege escalation within DCE.

🟢

If Mitigated

Limited impact if proper input validation and least privilege access controls are implemented alongside network segmentation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but SQL injection vulnerabilities are commonly weaponized once discovered.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: DCE v7.9.3

Vendor Advisory: https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-192-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-192-01.pdf

Restart Required: Yes

Instructions:

1. Download DCE v7.9.3 from Schneider Electric portal. 2. Backup current configuration. 3. Install update following vendor documentation. 4. Restart DCE services. 5. Verify functionality.

🔧 Temporary Workarounds

Input Validation Enhancement

windows

Implement additional input validation for alert setting parameters at application layer

Application-specific configuration - no universal command

Network Segmentation

all

Restrict DCE access to authorized management networks only

firewall rules to limit DCE port access to specific IP ranges

🧯 If You Can't Patch

  • Implement strict network access controls to limit DCE interface access to essential personnel only
  • Enable detailed logging of all DCE authentication and alert configuration changes for monitoring

🔍 How to Verify

Check if Vulnerable:

Check DCE version via Help > About in DCE interface or review installed version in Windows Programs

Check Version:

In DCE: Help > About displays version

Verify Fix Applied:

Confirm version shows 7.9.3 or higher in DCE interface and test alert configuration functionality

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL queries in DCE database logs
  • Multiple failed alert configuration attempts
  • Alert settings changes from unusual user accounts

Network Indicators:

  • Unusual database query patterns from DCE application
  • Multiple parameter manipulation attempts to alert endpoints

SIEM Query:

source="DCE" AND (event="alert_config_change" OR event="sql_error") AND user NOT IN [authorized_users]

🔗 References

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