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Vulnerabilities

CVE-2020-36921

High
RED-V Digital Signage Unauthenticated Log File Disclosure Vulnerability
CWE-548 — Weakness Type
Published: Jan 6, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

RED-V Super Digital Signage System 5.1.1 contains an information disclosure vulnerability that allows unauthenticated attackers to access sensitive webserver log files. Attackers can visit multiple endpoints to retrieve system resources and debug log information without authentication.

🤖 AI Executive Summary

RED-V Super Digital Signage System 5.1.1 contains an information disclosure vulnerability (CVE-2020-36921) allowing unauthenticated attackers to access sensitive webserver log files and system resources. Attackers can retrieve debug logs and system information through multiple endpoints without authentication, exposing potentially sensitive operational data.

📄 Description (Arabic)

تتيح هذه الثغرة الأمنية للمهاجمين الوصول إلى ملفات السجلات الحساسة وموارد النظام في نظام RED-V للافتات الرقمية دون الحاجة إلى بيانات اعتماد. يمكن استغلال نقاط الوصول المتعددة للحصول على معلومات تصحيح الأخطاء التي قد تحتوي على بيانات حساسة مثل مسارات النظام وتكوينات الخادم ومعلومات المستخدمين. تصنف هذه الثغرة ضمن CWE-548 المتعلقة بالكشف عن المعلومات من خلال ملفات الدليل. يمثل هذا الضعف خطراً كبيراً على المؤسسات التي تستخدم أنظمة اللافتات الرقمية في الأماكن العامة والتجارية.

🤖 ملخص تنفيذي (AI)

يحتوي نظام RED-V Super Digital Signage الإصدار 5.1.1 على ثغرة إفشاء معلومات (CVE-2020-36921) تسمح للمهاجمين غير المصرح لهم بالوصول إلى ملفات سجلات خادم الويب الحساسة وموارد النظام. يمكن للمهاجمين استرجاع سجلات التصحيح ومعلومات النظام من خلال نقاط وصول متعددة دون مصادقة، مما يكشف بيانات تشغيلية حساسة محتملة.

🤖 AI Intelligence Analysis Analyzed: Feb 28, 2026 07:38
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using RED-V digital signage systems in retail, hospitality, transportation hubs, and government facilities face exposure of sensitive operational data. Attackers could leverage disclosed information to map internal infrastructure and plan sophisticated attacks against critical sectors.
🏢 Affected Saudi Sectors
التجزئة والمراكز التجارية الضيافة والفنادق النقل والمطارات الجهات الحكومية التعليم الرعاية الصحية
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
1. Immediately restrict access to log file directories and debug endpoints through web server configuration and implement proper authentication mechanisms for all administrative interfaces
2. Deploy web application firewall (WAF) rules to block unauthorized access attempts to sensitive paths and monitor for reconnaissance activities targeting log files
3. Conduct comprehensive security audit of all RED-V installations to identify exposed endpoints, implement least privilege access controls, and consider upgrading to patched versions or alternative solutions if vendor support is unavailable
🔧 خطوات المعالجة (العربية)
1. تقييد الوصول فوراً إلى أدلة ملفات السجلات ونقاط التصحيح من خلال تكوين خادم الويب وتطبيق آليات مصادقة مناسبة لجميع الواجهات الإدارية
2. نشر قواعد جدار حماية تطبيقات الويب (WAF) لحظر محاولات الوصول غير المصرح بها إلى المسارات الحساسة ومراقبة أنشطة الاستطلاع التي تستهدف ملفات السجلات
3. إجراء تدقيق أمني شامل لجميع تثبيتات RED-V لتحديد نقاط الوصول المكشوفة وتطبيق ضوابط الوصول بأقل الصلاحيات والنظر في الترقية إلى إصدارات محدثة أو حلول بديلة في حال عدم توفر دعم من المورد
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-2 ECC-2-1 ECC-3-1 ECC-4-2
🔵 SAMA CSF
CCC-1.1.1 CCC-2.1.2 CCC-3.2.1 CCC-5.1.3
🟡 ISO 27001:2022
A.9.1.1 A.9.4.1 A.12.4.1 A.18.1.3
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityN — None / Network
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-548
EPSS0.25%
Exploit No
Patch ✓ Yes
Published 2026-01-06
Source Feed nvd
Views 2
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-548
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