CVE-2023-25554

7.8 HIGH

📋 TL;DR

This CVE describes a local OS command injection vulnerability in StruxureWare Data Center Expert that allows authenticated local users to execute arbitrary commands with elevated privileges. It affects version 7.9.2 and prior installations. Attackers could gain complete control of affected appliances.

💻 Affected Systems

Products:
  • StruxureWare Data Center Expert
Versions: 7.9.2 and prior
Operating Systems: Appliance-specific OS
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable. Requires local authenticated access to exploit.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of the appliance with root/system-level access, allowing installation of persistent backdoors, data theft, and lateral movement to connected systems.

🟠

Likely Case

Local privilege escalation leading to unauthorized administrative access, configuration changes, and potential data center monitoring disruption.

🟢

If Mitigated

Limited impact if proper network segmentation, least privilege access, and monitoring are implemented, though vulnerability remains exploitable by authorized users.

🌐 Internet-Facing: LOW - This is a local privilege escalation requiring authenticated access to the appliance interface.
🏢 Internal Only: HIGH - Any authorized user with local access to affected appliances can exploit this to gain full system control.

🎯 Exploit Status

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

Exploitation requires authenticated access but command injection vulnerabilities are typically straightforward to exploit once identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 7.9.3 or later

Vendor Advisory: https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-045-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-045-02.pdf

Restart Required: Yes

Instructions:

1. Download the latest version from Schneider Electric support portal. 2. Backup current configuration. 3. Apply the update following vendor documentation. 4. Restart the appliance. 5. Verify successful update.

🔧 Temporary Workarounds

Restrict Local Access

all

Limit which users have local access to the appliance interface to reduce attack surface.

Network Segmentation

all

Isolate Data Center Expert appliances on separate network segments with strict firewall rules.

🧯 If You Can't Patch

  • Implement strict access controls allowing only essential personnel to access appliance interfaces
  • Deploy network monitoring and host-based intrusion detection to detect exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check the installed version via the appliance web interface or CLI. If version is 7.9.2 or earlier, the system is vulnerable.

Check Version:

Check via web interface: System > About, or consult vendor documentation for CLI version check.

Verify Fix Applied:

After patching, verify the version shows 7.9.3 or later and test that command injection attempts are properly sanitized.

📡 Detection & Monitoring

Log Indicators:

  • Unusual command execution in system logs
  • Multiple failed authentication attempts followed by successful login and command execution
  • Unexpected process creation from Data Center Expert service

Network Indicators:

  • Unusual outbound connections from Data Center Expert appliance
  • Unexpected SSH or remote access attempts originating from the appliance

SIEM Query:

source="datacenter_expert_logs" AND (event_type="command_execution" OR process_name="cmd.exe" OR process_name="/bin/sh")

🔗 References

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