📄 Description (English)
Hirschmann HiLCOS devices OpenBAT, WLC, BAT300, BAT54 prior to 8.80 and OpenBAT prior to 9.10 are shipped with identical default SSH and SSL keys that cannot be changed, allowing unauthenticated remote attackers to decrypt or intercept encrypted management communications. Attackers can perform man-in-the-middle attacks, impersonate devices, and expose sensitive information by leveraging the shared default cryptographic keys across multiple devices.
🤖 AI Executive Summary
Hirschmann HiLCOS industrial network devices contain hardcoded, unchangeable default SSH and SSL cryptographic keys that enable unauthenticated remote attackers to intercept and decrypt management communications. This critical vulnerability affects multiple device models (OpenBAT, WLC, BAT300, BAT54) and allows attackers to perform man-in-the-middle attacks and device impersonation. The absence of available patches and the inability to change these keys create a persistent security risk for organizations relying on these devices for critical infrastructure management.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 25, 2026 04:32
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses severe risks to Saudi critical infrastructure sectors: (1) Energy sector (ARAMCO, power utilities) relying on Hirschmann industrial switches for SCADA/ICS networks; (2) Telecommunications (STC, Mobily) using these devices in network management infrastructure; (3) Government agencies and NCA-regulated entities managing sensitive network communications; (4) Healthcare facilities using industrial network equipment for critical systems. The inability to change default keys means all affected devices globally share identical cryptographic material, enabling widespread compromise. Organizations cannot mitigate through key rotation, creating a permanent vulnerability window.
🏢 Affected Saudi Sectors
Energy (ARAMCO, power utilities, oil/gas)
Telecommunications (STC, Mobily, Zain)
Government and Critical Infrastructure
Healthcare and Medical Facilities
Water and Utilities
Transportation and Logistics
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Hirschmann HiLCOS devices (OpenBAT, WLC, BAT300, BAT54 models) in your network infrastructure
2. Isolate affected devices from untrusted networks and restrict management access to authorized personnel only
3. Implement network segmentation: place device management interfaces on dedicated, air-gapped management networks
4. Disable remote SSH/SSL management access where possible; use local console access only
5. Monitor all SSH/SSL connections to these devices for suspicious activity
Compensating Controls (since no patch available):
6. Deploy network-based intrusion detection/prevention systems (IDS/IPS) to detect exploitation attempts
7. Implement VPN/IPsec tunnels for all management communications to these devices
8. Use firewall rules to restrict SSH (port 22) and HTTPS (port 443) access to specific trusted IP addresses only
9. Enable comprehensive logging and SIEM integration for all management access attempts
10. Conduct regular security audits of device access logs
Detection Rules:
11. Alert on any SSH connections to affected devices from unexpected source IPs
12. Monitor for SSL/TLS certificate validation failures or warnings
13. Track failed authentication attempts followed by successful connections (potential key-based attacks)
14. Detect unusual management commands or configuration changes
15. Contact Hirschmann/Belden for firmware updates or device replacement timelines
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع أجهزة Hirschmann HiLCOS في البنية التحتية للشبكة
2. عزل الأجهزة المتأثرة عن الشبكات غير الموثوقة وتقييد وصول الإدارة
3. تطبيق تقسيم الشبكة: ضع واجهات إدارة الأجهزة على شبكات إدارة مخصصة معزولة
4. تعطيل وصول SSH/SSL البعيد حيث أمكن؛ استخدم وصول وحدة التحكم المحلية فقط
5. مراقبة جميع اتصالات SSH/SSL لهذه الأجهزة للنشاط المريب
الضوابط التعويضية:
6. نشر أنظمة كشف/منع الاختراق على مستوى الشبكة
7. تطبيق نفق VPN/IPsec لجميع اتصالات الإدارة
8. استخدام قواعد جدار الحماية لتقييد وصول SSH و HTTPS لعناوين IP موثوقة محددة
9. تفعيل السجلات الشاملة وتكامل SIEM
10. إجراء عمليات تدقيق أمان منتظمة لسجلات وصول الأجهزة
قواعد الكشف:
11. تنبيهات على اتصالات SSH من عناوين IP غير متوقعة
12. مراقبة فشل التحقق من شهادات SSL/TLS
13. تتبع محاولات المصادقة الفاشلة متبوعة بالاتصالات الناجحة
14. كشف أوامر الإدارة غير العادية أو تغييرات التكوين
15. التواصل مع Hirschmann/Belden للحصول على تحديثات البرامج الثابتة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.8.3 - Cryptographic controls and key management
ECC 2024 A.8.2 - Cryptographic strength requirements
ECC 2024 A.5.2 - Access control to cryptographic keys
ECC 2024 A.13.1 - Network security and segregation
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Asset management and inventory
SAMA CSF PR.AC-1 - Access control and authentication
SAMA CSF PR.DS-1 - Data security and encryption
SAMA CSF DE.CM-1 - Detection and monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.10.1.1 - Cryptographic controls
ISO 27001:2022 A.10.1.2 - Cryptographic key management
ISO 27001:2022 A.8.3.1 - Cryptographic controls
ISO 27001:2022 A.13.1.1 - Network security perimeter
🟣 PCI DSS v4.0.1
PCI DSS 3.2.1 - Cryptographic key management
PCI DSS 4.1 - Encryption of data in transit
PCI DSS 8.2.1 - User authentication mechanisms