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Vulnerabilities

CVE-2026-20168

Medium
CWE-388 — Weakness Type
Published: May 6, 2026  ·  Modified: May 9, 2026  ·  Source: NVD
CVSS v3
6.5
🔗 NVD Official
📄 Description (English)

A vulnerability in the web-based management interface of Cisco IoT Field Network Director could allow an authenticated, remote attacker with low privileges to retrieve files that they do not have permission to access.

This vulnerability is due to insufficient file access checks. An attacker could exploit this vulnerability by submitting crafted input in the web-based management interface. A successful exploit could allow the attacker to read files that they are not authorized to access.

🤖 AI Executive Summary

CVE-2026-20168 is a medium-severity vulnerability in Cisco IoT Field Network Director's web management interface that allows authenticated users with low privileges to read unauthorized files through insufficient access controls. While no exploit is currently available and patching is not yet available, the vulnerability poses a risk to organizations managing IoT field networks, particularly those in critical infrastructure sectors. Immediate compensating controls and vendor monitoring are essential until patches are released.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 11, 2026 23:20
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations operating IoT field networks in critical sectors: (1) Energy sector (ARAMCO, regional utilities) managing remote field equipment and SCADA systems; (2) Telecommunications (STC, Mobily) operating network infrastructure; (3) Government agencies (NCA, CITC) managing critical infrastructure monitoring; (4) Healthcare facilities using remote IoT monitoring systems. The low-privilege authentication requirement reduces immediate risk but could enable lateral movement and data exfiltration of sensitive operational data, configuration files, and system credentials from field network management systems.
🏢 Affected Saudi Sectors
Energy (ARAMCO, utilities) Telecommunications (STC, Mobily) Government (NCA, CITC) Healthcare Critical Infrastructure
⚖️ Saudi Risk Score (AI)
5.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Cisco IoT Field Network Director deployments across your organization
2. Restrict web management interface access to trusted networks only using firewall rules and VPN requirements
3. Implement network segmentation to isolate IoT management systems from general corporate networks
4. Review and enforce principle of least privilege for all user accounts accessing the management interface
5. Enable detailed logging and monitoring of all file access attempts within the management interface

Compensating Controls (until patch available):
6. Implement Web Application Firewall (WAF) rules to detect and block suspicious file access patterns
7. Deploy file integrity monitoring on sensitive configuration and data files
8. Conduct access reviews to identify and remove unnecessary user permissions
9. Implement multi-factor authentication for management interface access
10. Monitor Cisco security advisories daily for patch availability

Detection Rules:
11. Alert on failed file access attempts from low-privilege accounts
12. Monitor for unusual file read patterns or access to sensitive directories
13. Track authentication events and privilege escalation attempts
14. Log all API calls to the management interface with full request/response details
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع نشرات Cisco IoT Field Network Director في جميع أنحاء المنظمة
2. قيد الوصول إلى واجهة إدارة الويب على الشبكات الموثوقة فقط باستخدام قواعد جدار الحماية ومتطلبات VPN
3. تنفيذ تقسيم الشبكة لعزل أنظمة إدارة IoT عن شبكات الشركة العامة
4. مراجعة وتطبيق مبدأ أقل امتياز لجميع حسابات المستخدمين التي تصل إلى واجهة الإدارة
5. تفعيل السجلات التفصيلية ومراقبة جميع محاولات الوصول إلى الملفات داخل واجهة الإدارة

الضوابط التعويضية (حتى توفر التصحيح):
6. تنفيذ قواعد جدار تطبيقات الويب (WAF) للكشف عن أنماط الوصول إلى الملفات المريبة وحجبها
7. نشر مراقبة سلامة الملفات على الملفات الحساسة والبيانات
8. إجراء مراجعات الوصول لتحديد وإزالة أذونات المستخدم غير الضرورية
9. تنفيذ المصادقة متعددة العوامل لوصول واجهة الإدارة
10. مراقبة نشرات أمان Cisco يومياً لتوفر التصحيحات

قواعد الكشف:
11. تنبيهات محاولات الوصول الفاشلة إلى الملفات من حسابات منخفضة الامتياز
12. مراقبة أنماط قراءة الملفات غير العادية أو الوصول إلى الدلائل الحساسة
13. تتبع أحداث المصادقة ومحاولات تصعيد الامتيازات
14. تسجيل جميع استدعاءات API لواجهة الإدارة مع تفاصيل الطلب/الاستجابة الكاملة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policy ECC 2024 A.5.2.1 - User Registration and De-registration ECC 2024 A.5.3.1 - Access Rights Review ECC 2024 A.6.1.2 - Segregation of Duties ECC 2024 A.12.4.1 - Event Logging ECC 2024 A.12.4.3 - Administrator and Operator Logs
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software Inventory SAMA CSF PR.AC-1 - Access Control Policy SAMA CSF PR.AC-4 - Access Rights Management SAMA CSF DE.AE-1 - Audit Logs SAMA CSF DE.CM-1 - System Monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.5.3 - Segregation of Duties ISO 27001:2022 A.6.2 - User Access Management ISO 27001:2022 A.8.1 - User Endpoint Devices ISO 27001:2022 A.8.3 - Access Control ISO 27001:2022 A.8.15 - Logging
📊 CVSS Score
6.5
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityN — None / Network
AvailabilityN — None / Network
📋 Quick Facts
Severity Medium
CVSS Score6.5
CWECWE-388
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-05-06
Source Feed nvd
🇸🇦 Saudi Risk Score
5.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-388
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