📄 Description (English)
TVT NVMS-1000 Directory Traversal Vulnerability — TVT devices utilizing NVMS-1000 software contain a directory traversal vulnerability via GET /.. requests.
🤖 AI Executive Summary
CVE-2019-20085 is a critical directory traversal vulnerability (CVSS 9.0) affecting TVT NVMS-1000 network video management software used in IP surveillance systems. Attackers can exploit this flaw via crafted GET /.. HTTP requests to traverse directory structures and access sensitive files outside the intended web root. This vulnerability has a publicly available exploit, significantly lowering the barrier for threat actors. Immediate patching and network isolation of affected NVR/DVR systems is strongly recommended.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 15, 2026 09:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations heavily reliant on physical security infrastructure are most at risk. Key sectors include: Government/NCA-regulated entities using CCTV and IP surveillance for facility security; Energy sector (Saudi Aramco, NEOM, SABIC) where perimeter surveillance systems may run NVMS-1000; Critical infrastructure operators including airports, seaports, and utilities; Banking/SAMA-regulated institutions with branch and ATM surveillance networks; Healthcare facilities using IP cameras for patient area monitoring; Smart city projects (NEOM, Diriyah Gate) deploying large-scale IP surveillance. Exploitation could allow attackers to read configuration files containing credentials, enabling lateral movement into broader corporate networks. Given Saudi Arabia's significant investment in smart city and Vision 2030 infrastructure, the attack surface is considerable.
🏢 Affected Saudi Sectors
Government
Energy
Banking
Healthcare
Transportation
Retail
Smart Cities
Critical Infrastructure
Telecom
⚖️ Saudi Risk Score (AI)
8.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS (0-24 hours):
1. Identify all TVT NVMS-1000 deployments across your environment using asset inventory tools.
2. Immediately restrict external internet access to NVMS-1000 web interfaces via firewall rules.
3. Place all NVR/DVR systems behind a dedicated VLAN with strict ACLs.
4. Review web server access logs for GET /.. patterns indicating active exploitation attempts.
PATCHING GUIDANCE:
5. Apply the latest firmware/software update from TVT Digital Technology Co. for NVMS-1000.
6. Verify patch integrity using vendor-provided checksums before deployment.
7. After patching, change all default and existing credentials on affected devices.
COMPENSATING CONTROLS (if patch unavailable):
8. Deploy a Web Application Firewall (WAF) rule to block directory traversal patterns (/../, /..\, %2e%2e).
9. Disable the HTTP web management interface and use alternative management methods.
10. Implement network-level IDS/IPS signatures for directory traversal attempts.
DETECTION RULES:
11. SIEM alert: HTTP GET requests containing '../' or '%2e%2e' targeting NVMS-1000 ports (80, 8080).
12. Monitor for unusual file access patterns in NVR system logs.
13. Alert on any outbound connections from NVR/DVR systems to unknown external IPs.
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية (0-24 ساعة):
1. تحديد جميع نشرات TVT NVMS-1000 عبر بيئتك باستخدام أدوات جرد الأصول.
2. تقييد الوصول الخارجي عبر الإنترنت فوراً لواجهات الويب الخاصة بـ NVMS-1000 عبر قواعد جدار الحماية.
3. وضع جميع أنظمة NVR/DVR خلف VLAN مخصص مع قوائم تحكم وصول صارمة.
4. مراجعة سجلات وصول خادم الويب لأنماط GET /.. التي تشير إلى محاولات استغلال نشطة.
إرشادات التصحيح:
5. تطبيق أحدث تحديث للبرامج الثابتة/البرمجيات من TVT Digital Technology Co. لـ NVMS-1000.
6. التحقق من سلامة التصحيح باستخدام المجاميع الاختبارية المقدمة من البائع قبل النشر.
7. بعد التصحيح، تغيير جميع بيانات الاعتماد الافتراضية والموجودة على الأجهزة المتأثرة.
ضوابط التعويض (إذا لم يكن التصحيح متاحاً):
8. نشر قاعدة جدار حماية تطبيقات الويب (WAF) لحظر أنماط اجتياز الدليل (/../, /..\, %2e%2e).
9. تعطيل واجهة إدارة الويب HTTP واستخدام طرق إدارة بديلة.
10. تنفيذ توقيعات IDS/IPS على مستوى الشبكة لمحاولات اجتياز الدليل.
قواعد الكشف:
11. تنبيه SIEM: طلبات HTTP GET التي تحتوي على '../' أو '%2e%2e' تستهدف منافذ NVMS-1000 (80، 8080).
12. مراقبة أنماط الوصول غير المعتادة للملفات في سجلات نظام NVR.
13. التنبيه على أي اتصالات صادرة من أنظمة NVR/DVR إلى عناوين IP خارجية غير معروفة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC-1-4-2: Asset Management — Inventory of surveillance and IoT systems
ECC-2-3-1: Network Security — Network segmentation for OT/IoT devices
ECC-2-5-1: Vulnerability Management — Timely patching of critical vulnerabilities
ECC-2-6-1: Physical Security Systems — Securing surveillance infrastructure
ECC-3-3-1: Cybersecurity Monitoring — Detection of exploitation attempts
🔵 SAMA CSF
3.3 Cyber Security Operations — Monitoring and detection of directory traversal attacks
3.4 Third-Party and Cloud Security — Vendor firmware management
4.2 Vulnerability Management — Critical vulnerability remediation within defined SLAs
4.3 Patch Management — Firmware patching for network-connected surveillance devices
5.1 Physical Security — Integration of cyber controls for physical security systems
🟡 ISO 27001:2022
A.8.8 Management of technical vulnerabilities — Patch management for NVMS systems
A.8.20 Networks security — Network segmentation and access control for surveillance VLANs
A.8.22 Segregation of networks — Isolating surveillance systems from corporate networks
A.8.23 Web filtering — Blocking malicious HTTP traversal patterns
A.5.19 Information security in supplier relationships — TVT vendor security management
🟣 PCI DSS v4.0
Requirement 6.3.3: All system components protected from known vulnerabilities by patching
Requirement 1.3.2: Network access controls restricting inbound traffic to surveillance systems
Requirement 11.3.1: Internal vulnerability scanning covering surveillance network segments
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
TVT:NVMS-1000