CVE-2023-4485

9.8 CRITICAL

📋 TL;DR

CVE-2023-4485 is an unauthenticated blind SQL injection vulnerability in ARDEREG Sistema SCADA Central login page. Attackers can execute arbitrary SQL queries without credentials, potentially extracting sensitive data, gaining unauthorized access, or disrupting industrial operations. Organizations using ARDEREG SCADA Central versions 2.203 and prior are affected.

💻 Affected Systems

Products:
  • ARDEREG Sistema SCADA Central
Versions: Versions 2.203 and prior
Operating Systems: Windows (typical SCADA deployment)
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments with the vulnerable login page are affected regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of SCADA system leading to industrial process disruption, data exfiltration of sensitive operational information, and potential physical damage to critical infrastructure.

🟠

Likely Case

Unauthorized access to SCADA database, extraction of credentials and sensitive operational data, and potential manipulation of industrial control systems.

🟢

If Mitigated

Limited impact with proper network segmentation, but still risk of credential theft and initial access to SCADA environment.

🌐 Internet-Facing: HIGH - Directly exploitable via login page without authentication, making internet-facing instances extremely vulnerable.
🏢 Internal Only: HIGH - Even internally accessible systems are vulnerable to insider threats or compromised internal hosts.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

SQL injection via login page requires minimal technical skill. Public advisories provide enough detail for exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 2.204 or later

Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-23-243-01

Restart Required: Yes

Instructions:

1. Contact ARDEREG for updated software version 2.204+. 2. Backup current configuration and data. 3. Install the updated version following vendor instructions. 4. Restart the SCADA system. 5. Verify functionality post-update.

🔧 Temporary Workarounds

Network Segmentation

all

Isolate SCADA system from untrusted networks using firewalls

Web Application Firewall

all

Deploy WAF with SQL injection protection rules

🧯 If You Can't Patch

  • Implement strict network access controls to limit SCADA system access to authorized personnel only
  • Deploy intrusion detection systems monitoring for SQL injection patterns in web traffic

🔍 How to Verify

Check if Vulnerable:

Check ARDEREG SCADA Central version in system settings or about dialog. Versions 2.203 and below are vulnerable.

Check Version:

Check via SCADA Central interface: Help → About or system settings

Verify Fix Applied:

Verify version is 2.204 or higher and test login page with SQL injection payloads (in controlled environment).

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL error messages in web logs
  • Multiple failed login attempts with SQL syntax
  • Unexpected database queries from web application

Network Indicators:

  • SQL injection patterns in HTTP POST requests to login endpoint
  • Unusual database traffic from web server

SIEM Query:

source="web_logs" AND (url="/login" OR url="/auth") AND (message="sql" OR message="syntax" OR message="union" OR message="select")

🔗 References

📤 Share & Export