📄 Description (English)
Nagios XI OS Command Injection — Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server.
🤖 AI Executive Summary
Nagios XI contains a critical OS command injection vulnerability (CVSS 9.0) that allows unauthenticated or low-privileged attackers to execute arbitrary system commands on the monitoring server. This vulnerability poses severe risk to Saudi organizations relying on Nagios XI for infrastructure monitoring, potentially compromising the entire monitoring ecosystem and enabling lateral movement into critical systems. Immediate patching is essential as exploits are publicly available.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 20, 2026 03:55
🇸🇦 Saudi Arabia Impact Assessment
Critical impact on Saudi government agencies (NCA, NCSC), ARAMCO and energy sector infrastructure monitoring, SAMA-regulated financial institutions, and telecommunications operators (STC, Mobily) that use Nagios XI for critical infrastructure monitoring. Compromise of Nagios XI servers could lead to blind spots in security monitoring, enabling undetected attacks on critical national infrastructure. Banking and financial services sectors face elevated risk due to reliance on Nagios for compliance monitoring and incident detection.
🏢 Affected Saudi Sectors
Government (NCA, NCSC)
Energy (ARAMCO, Saudi Electricity Company)
Banking and Financial Services (SAMA-regulated institutions)
Telecommunications (STC, Mobily, Zain)
Healthcare
Critical Infrastructure
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Nagios XI instances in your environment using network scanning and asset management tools
2. Isolate affected Nagios XI servers from direct internet access immediately
3. Implement network segmentation to restrict access to Nagios XI to authorized administrators only
4. Review Nagios XI access logs for suspicious command execution patterns
PATCHING:
1. Apply the latest Nagios XI security patch immediately (version 5.8.1 or later)
2. Verify patch installation by checking version in Administration > System Information
3. Restart Nagios XI services after patching
COMPENSATING CONTROLS (if patching delayed):
1. Implement Web Application Firewall (WAF) rules to block command injection payloads
2. Restrict Nagios XI API access to whitelisted IP addresses only
3. Disable unnecessary Nagios XI plugins and features
4. Implement strict input validation on all Nagios XI configuration parameters
DETECTION:
1. Monitor for suspicious process execution from Nagios XI processes (nagios, ndo2db)
2. Alert on unusual outbound connections from Nagios XI server
3. Log all Nagios XI API calls and configuration changes
4. Search logs for command injection patterns: backticks, $(), pipe characters in unexpected contexts
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع مثيلات Nagios XI في بيئتك باستخدام أدوات المسح والأصول
2. عزل خوادم Nagios XI المتأثرة عن الوصول المباشر للإنترنت فوراً
3. تطبيق تقسيم الشبكة لتقييد الوصول إلى Nagios XI للمسؤولين المصرحين فقط
4. مراجعة سجلات الوصول لـ Nagios XI للبحث عن أنماط تنفيذ الأوامر المريبة
التصحيح:
1. تطبيق أحدث تصحيح أمان Nagios XI فوراً (الإصدار 5.8.1 أو أحدث)
2. التحقق من تثبيت التصحيح بفحص الإصدار في Administration > System Information
3. إعادة تشغيل خدمات Nagios XI بعد التصحيح
الضوابط البديلة (إذا تأخر التصحيح):
1. تطبيق قواعد جدار حماية تطبيقات الويب لحجب حمولات حقن الأوامر
2. تقييد وصول Nagios XI API إلى عناوين IP المدرجة في القائمة البيضاء فقط
3. تعطيل مكونات Nagios XI غير الضرورية والميزات
4. تطبيق التحقق الصارم من المدخلات على جميع معاملات تكوين Nagios XI
الكشف:
1. مراقبة تنفيذ العمليات المريبة من عمليات Nagios XI (nagios, ndo2db)
2. التنبيه على الاتصالات الخارجية غير المعتادة من خادم Nagios XI
3. تسجيل جميع استدعاءات Nagios XI API والتغييرات في التكوين
4. البحث في السجلات عن أنماط حقن الأوامر: علامات الاقتباس العكسية، $()، أحرف الأنابيب في السياقات غير المتوقعة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.14.2.1 - Secure development policy
ECC 2024 A.12.2.1 - Monitoring and logging of access
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Asset management
SAMA CSF PR.IP-12 - Software development and quality assurance
SAMA CSF DE.CM-1 - System monitoring and anomaly detection
🟡 ISO 27001:2022
ISO 27001:2022 A.12.2.1 - Information and other assets associated with information processing facilities
ISO 27001:2022 A.14.2.1 - Secure development policy and procedures
ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities
🟣 PCI DSS v4.0
PCI DSS 6.2 - Security patches and updates
PCI DSS 11.2 - Vulnerability scanning
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Nagios:Nagios XI