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Vulnerabilities

CVE-2020-37191

High
Top Password Software Dialup Password Recovery 1.30 contains a denial of service vulnerability that allows attackers to crash the application by overflowing input fields. Attackers can trigger the vul
CWE-120 — Weakness Type
Published: Feb 11, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

Top Password Software Dialup Password Recovery 1.30 contains a denial of service vulnerability that allows attackers to crash the application by overflowing input fields. Attackers can trigger the vulnerability by inserting a large 5000-character payload into the User Name and Registration Code input fields.

🤖 AI Executive Summary

CVE-2020-37191 is a buffer overflow vulnerability in Top Password Software Dialup Password Recovery v1.30 that allows denial of service through oversized input in username and registration code fields. While no public exploit exists, the vulnerability poses a risk to organizations using this legacy password recovery tool. Immediate patching is recommended to prevent application crashes and potential service disruption.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 30, 2026 17:10
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi organizations using legacy password recovery tools, particularly in IT departments and help desk operations. Most at-risk sectors include: Banking and Financial Services (SAMA-regulated entities) relying on password recovery systems, Government agencies (NCA oversight) managing user credentials, Telecommunications providers (STC, Mobily) with legacy infrastructure, and Healthcare organizations (MOH) managing access controls. The DoS impact could disrupt critical authentication and account recovery processes.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Healthcare Energy and Utilities IT Service Providers
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
1. IMMEDIATE ACTIONS:
- Identify all systems running Top Password Software Dialup Password Recovery v1.30
- Isolate affected systems from production networks if possible
- Implement input validation on all user-facing interfaces
- Monitor for unusual application crashes or DoS attempts

2. PATCHING GUIDANCE:
- Upgrade to the latest patched version of Top Password Software immediately
- Verify patch installation and test in non-production environment first
- Document all patched systems in asset inventory

3. COMPENSATING CONTROLS:
- Implement Web Application Firewall (WAF) rules to block oversized payloads (>1000 characters) to username/registration fields
- Deploy rate limiting on password recovery endpoints
- Enable application-level logging and alerting for input validation failures
- Restrict access to password recovery tools to authorized personnel only

4. DETECTION RULES:
- Alert on HTTP requests with payload >5000 characters in username or registration code parameters
- Monitor application logs for buffer overflow exceptions or segmentation faults
- Track failed authentication attempts and application crashes correlated with oversized inputs
🔧 خطوات المعالجة (العربية)
1. الإجراءات الفورية:
- تحديد جميع الأنظمة التي تقوم بتشغيل Top Password Software Dialup Password Recovery الإصدار 1.30
- عزل الأنظمة المتأثرة عن شبكات الإنتاج إن أمكن
- تطبيق التحقق من صحة الإدخال على جميع الواجهات الموجهة للمستخدم
- مراقبة تعطل التطبيق غير المعتاد أو محاولات الحرمان من الخدمة

2. إرشادات التصحيح:
- الترقية إلى أحدث إصدار معدل من Top Password Software على الفور
- التحقق من تثبيت التصحيح واختباره في بيئة غير الإنتاج أولاً
- توثيق جميع الأنظمة المصححة في جرد الأصول

3. الضوابط البديلة:
- تطبيق قواعد جدار حماية تطبيقات الويب (WAF) لحجب الحمولات الكبيرة (>1000 حرف) في حقول اسم المستخدم والتسجيل
- نشر تحديد معدل على نقاط نهاية استعادة كلمات المرور
- تفعيل تسجيل التطبيق والتنبيهات لفشل التحقق من صحة الإدخال
- تقييد الوصول إلى أدوات استعادة كلمات المرور للموظفين المصرح لهم فقط

4. قواعد الكشف:
- التنبيه على طلبات HTTP بحمولة >5000 حرف في معاملات اسم المستخدم أو كود التسجيل
- مراقبة سجلات التطبيق لاستثناءات تجاوز المخزن المؤقت أو أخطاء الانقسام
- تتبع محاولات المصادقة الفاشلة وتعطل التطبيق المرتبط بالمدخلات الكبيرة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for system development and maintenance ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.12.2.1 - Monitoring of system use
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business objectives and strategies SAMA CSF PR.IP-12 - System development and maintenance SAMA CSF DE.CM-1 - Detection processes and tools
🟡 ISO 27001:2022
ISO 27001:2022 A.14.2.1 - Secure development policy ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.8.1.3 - Segregation of duties
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 6.5.1 - Injection flaws prevention
📊 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-120
EPSS0.03%
Exploit No
Patch ✓ Yes
Published 2026-02-11
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
6.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-120
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