📄 Description (English)
Due to a Missing Authorization Check vulnerability in Application Server ABAP and ABAP Platform, an authenticated attacker could misuse an RFC function to execute form routines (FORMs) in the ABAP system. Successful exploitation could allow the attacker to write or modify data accessible via FORMs and invoke system functionality exposed via FORMs, resulting in a high impact on integrity and availability, while confidentiality remains unaffected.
🤖 AI Executive Summary
CVE-2026-0506 is a critical authorization bypass vulnerability in SAP NetWeaver ABAP Application Server affecting versions 700-754. An authenticated attacker can exploit missing authorization checks in RFC functions to execute arbitrary FORM routines, potentially modifying sensitive data and invoking unauthorized system functionality. With CVSS 8.1 and widespread SAP deployment across Saudi enterprises, immediate patching is essential to prevent data integrity compromise and operational disruption.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 26, 2026 04:49
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses severe risk to Saudi banking sector (SAMA-regulated institutions, major banks using SAP for core banking), government agencies (NCA oversight), healthcare systems (MOH facilities), energy sector (ARAMCO and downstream operators), and telecommunications (STC, Mobily). SAP ERP systems are critical infrastructure in these sectors; unauthorized FORM execution could compromise financial transactions, patient records, operational data, and regulatory compliance. The authenticated nature reduces immediate risk but insider threats and compromised credentials remain significant concerns.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Energy and Utilities
Telecommunications
Manufacturing
Retail and E-commerce
🎯 MITRE ATT&CK Techniques
T1078 - Valid Accounts (authenticated attacker exploitation)
T1021.005 - Remote Services: VNC (RFC protocol abuse)
T1548 - Abuse Elevation Control Mechanism (authorization bypass)
T1562.008 - Impair Defenses: Disable or Modify Logs (potential log tampering via FORM execution)
T1565.001 - Data Destruction: Stored Data Manipulation (data modification via FORM routines)
T1491.001 - Defacement: Internal Defacement (system functionality abuse)
⚖️ Saudi Risk Score (AI)
8.7
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all SAP NetWeaver ABAP systems running versions 700-754 in your environment
2. Restrict RFC access to trusted networks and implement network segmentation
3. Review and strengthen authentication mechanisms (multi-factor authentication for RFC users)
4. Audit recent RFC function calls and FORM executions in system logs (transaction SM37, SM50)
5. Disable unnecessary RFC functions and FORMs not required for business operations
PATCHING GUIDANCE:
1. Apply SAP security patches immediately upon availability from SAP Support Portal
2. Prioritize production systems first, then development/test environments
3. Test patches in non-production environments before deployment
4. Coordinate with SAP basis teams for maintenance windows
COMPENSATING CONTROLS (if patch unavailable):
1. Implement RFC gateway restrictions at network level
2. Enable detailed RFC logging and monitoring (transaction RFCLOG)
3. Implement role-based access control (RBAC) limiting FORM execution permissions
4. Deploy intrusion detection rules monitoring RFC function calls
5. Conduct regular access reviews for RFC-enabled user accounts
DETECTION RULES:
1. Monitor for RFC calls to FORM execution functions with unusual parameters
2. Alert on RFC calls from non-standard source IPs or outside business hours
3. Track modifications to FORM-accessible data tables (audit logs via transaction CDHDR)
4. Monitor failed authorization attempts in security audit logs (transaction SM20)
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أنظمة SAP NetWeaver ABAP التي تعمل بالإصدارات 700-754 في بيئتك
2. تقييد وصول RFC للشبكات الموثوقة وتنفيذ تقسيم الشبكة
3. مراجعة وتعزيز آليات المصادقة (المصادقة متعددة العوامل لمستخدمي RFC)
4. تدقيق استدعاءات RFC الحديثة وتنفيذ FORM في سجلات النظام (SM37، SM50)
5. تعطيل وظائف RFC و FORM غير الضرورية غير المطلوبة للعمليات التجارية
إرشادات التصحيح:
1. تطبيق تصحيحات أمان SAP فورًا عند توفرها من بوابة دعم SAP
2. إعطاء الأولوية لأنظمة الإنتاج أولاً، ثم بيئات التطوير/الاختبار
3. اختبار التصحيحات في بيئات غير الإنتاج قبل النشر
4. التنسيق مع فرق أساس SAP لنوافذ الصيانة
الضوابط البديلة (إذا لم يكن التصحيح متاحًا):
1. تنفيذ قيود بوابة RFC على مستوى الشبكة
2. تفعيل تسجيل ومراقبة RFC التفصيلية (RFCLOG)
3. تنفيذ التحكم في الوصول القائم على الأدوار (RBAC) لتحديد أذونات تنفيذ FORM
4. نشر قواعد كشف الاختراق لمراقبة استدعاءات وظائف RFC
5. إجراء مراجعات وصول منتظمة لحسابات المستخدمين المفعلة RFC
قواعد الكشف:
1. مراقبة استدعاءات RFC لوظائف تنفيذ FORM بمعاملات غير عادية
2. التنبيه على استدعاءات RFC من عناوين IP غير قياسية أو خارج ساعات العمل
3. تتبع التعديلات على جداول البيانات التي يمكن الوصول إليها عبر FORM (سجلات التدقيق عبر CDHDR)
4. مراقبة محاولات التفويض الفاشلة في سجلات تدقيق الأمان (SM20)
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 Control 5.1.1 - Access Control and Authentication
ECC 2024 Control 5.1.2 - Authorization and Access Rights Management
ECC 2024 Control 5.2.1 - System and Application Hardening
ECC 2024 Control 6.1.1 - Vulnerability Management
ECC 2024 Control 6.2.1 - Patch Management
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software, hardware, and firmware inventory
SAMA CSF PR.AC-1 - Identities and credentials are issued, managed, verified, revoked, and audited
SAMA CSF PR.AC-4 - Access rights are managed, incorporating the principles of least privilege and separation of duties
SAMA CSF DE.CM-1 - The network is monitored to detect potential cybersecurity events
🟡 ISO 27001:2022
ISO 27001:2022 A.5.2 - User access management
ISO 27001:2022 A.5.3 - Access control
ISO 27001:2022 A.8.1 - Cryptography
ISO 27001:2022 A.12.6 - Change management
ISO 27001:2022 A.14.2 - Software development
🟣 PCI DSS v4.0.1
PCI DSS 2.1 - Establish configuration standards for system components
PCI DSS 6.2 - Ensure that all system components and software are protected from known vulnerabilities
PCI DSS 7.1 - Limit access to system components by business need to know
PCI DSS 10.2 - Implement automated audit trails for all access to audit trails
📦 Affected Products / CPE 15 entries
sap:netweaver_application_server_abap:700
sap:netweaver_application_server_abap:701
sap:netweaver_application_server_abap:702
sap:netweaver_application_server_abap:731
sap:netweaver_application_server_abap:740
sap:netweaver_application_server_abap:750
sap:netweaver_application_server_abap:751
sap:netweaver_application_server_abap:752
sap:netweaver_application_server_abap:753
sap:netweaver_application_server_abap:754
sap:netweaver_application_server_abap:755
sap:netweaver_application_server_abap:756
sap:netweaver_application_server_abap:757
sap:netweaver_application_server_abap:758
sap:netweaver_application_server_abap:816