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Vulnerabilities

CVE-2020-37202

High
NetworkSleuth 3.0.0.0 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buff
CWE-120 — Weakness Type
Published: Feb 11, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

NetworkSleuth 3.0.0.0 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.

🤖 AI Executive Summary

NetworkSleuth 3.0.0.0 contains a buffer overflow vulnerability (CWE-120) in the registration key field that allows unauthenticated attackers to crash the application via oversized input. With a CVSS score of 7.5, this denial of service vulnerability poses a moderate-to-high risk to organizations relying on NetworkSleuth for network monitoring and analysis. A patch is available and should be deployed immediately to prevent service disruption.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 1, 2026 01:54
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using NetworkSleuth for network monitoring and security analysis, including: telecommunications operators (STC, Mobily, Zain) relying on network monitoring tools; government agencies and NCA utilizing network analysis platforms; banking sector (SAMA-regulated institutions) employing network security monitoring; and energy sector (ARAMCO, SEC) using network surveillance systems. The denial of service impact could disrupt critical network visibility and incident response capabilities during active security incidents.
🏢 Affected Saudi Sectors
Telecommunications Government Banking Energy Healthcare Critical Infrastructure
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all instances of NetworkSleuth 3.0.0.0 in your environment
- Restrict access to the registration key field to authorized administrators only
- Implement network-level input validation to reject oversized registration key submissions
- Monitor for application crashes and unexpected terminations

2. PATCHING GUIDANCE:
- Upgrade NetworkSleuth to the latest patched version immediately
- Test patches in a non-production environment first
- Schedule patching during maintenance windows to minimize network monitoring gaps
- Verify patch installation by confirming version number post-upgrade

3. COMPENSATING CONTROLS:
- Implement application-level input validation limiting registration key field to reasonable character limits (e.g., 256 characters)
- Deploy rate limiting on registration key submission attempts
- Use Web Application Firewall (WAF) rules to block oversized payloads to the application
- Maintain redundant network monitoring solutions during patching

4. DETECTION RULES:
- Monitor application logs for registration key field submissions exceeding 500 characters
- Alert on NetworkSleuth application crashes or unexpected terminations
- Track failed registration attempts with abnormally large payloads
- Implement SIEM rules: (source=NetworkSleuth) (registration_key_length > 500) OR (application_crash)
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع نسخ NetworkSleuth 3.0.0.0 في بيئتك
- تقييد الوصول إلى حقل مفتاح التسجيل للمسؤولين المصرح لهم فقط
- تطبيق التحقق من صحة الإدخال على مستوى الشبكة لرفض تقديمات مفاتيح التسجيل الكبيرة
- مراقبة أعطال التطبيق والإنهاءات غير المتوقعة

2. إرشادات التصحيح:
- ترقية NetworkSleuth إلى أحدث إصدار مصحح فوراً
- اختبار التصحيحات في بيئة غير إنتاجية أولاً
- جدولة التصحيح خلال نوافذ الصيانة لتقليل فجوات مراقبة الشبكة
- التحقق من تثبيت التصحيح بتأكيد رقم الإصدار بعد الترقية

3. الضوابط البديلة:
- تطبيق التحقق من صحة الإدخال على مستوى التطبيق مع تحديد حقل مفتاح التسجيل بحد معقول (مثل 256 حرفاً)
- نشر تحديد معدل محاولات تقديم مفتاح التسجيل
- استخدام قواعد جدار حماية تطبيقات الويب لحجب الحمولات الكبيرة
- الحفاظ على حلول مراقبة شبكة زائدة أثناء التصحيح

4. قواعد الكشف:
- مراقبة سجلات التطبيق لتقديمات حقل مفتاح التسجيل التي تتجاوز 500 حرف
- التنبيه على أعطال تطبيق NetworkSleuth أو الإنهاءات غير المتوقعة
- تتبع محاولات التسجيل الفاشلة مع حمولات كبيرة بشكل غير طبيعي
- تطبيق قواعد SIEM: (source=NetworkSleuth) (registration_key_length > 500) OR (application_crash)
📋 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
🔵 SAMA CSF
SAMA CSF ID.BE-5.1 - Organizational resilience objectives SAMA CSF PR.IP-12 - Software, firmware, and information integrity mechanisms SAMA CSF DE.CM-1 - The network is monitored to detect potential cybersecurity events
🟡 ISO 27001:2022
ISO 27001:2022 A.12.2.1 - Monitoring ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.14.2.1 - Secure development policy and procedures
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-120
EPSS0.04%
Exploit No
Patch ✓ Yes
Published 2026-02-11
Source Feed nvd
Views 6
🇸🇦 Saudi Risk Score
6.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-120
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