📄 Description (English)
Pingzapper 2.3.1 contains an unquoted service path vulnerability in the PingzapperSvc service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\Program Files (x86)\Pingzapper\PZService.exe' to inject malicious executables and escalate privileges.
🤖 AI Executive Summary
CVE-2021-47886 is a local privilege escalation vulnerability in Pingzapper 2.3.1 affecting the PingzapperSvc Windows service through an unquoted service path. Attackers with local access can inject malicious executables into the service path to achieve arbitrary code execution with SYSTEM privileges. While no public exploit is available, the vulnerability is straightforward to exploit and poses significant risk to organizations using this software.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Apr 27, 2026 21:35
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using Pingzapper for network monitoring and diagnostics. Most at-risk sectors include: Banking and Financial Services (SAMA-regulated institutions using Pingzapper for infrastructure monitoring), Government agencies (NCA-regulated entities), Healthcare providers (MOH facilities), and Telecommunications companies (STC, Mobily). The local privilege escalation nature means internal threats or compromised user accounts could escalate to SYSTEM level, potentially compromising critical infrastructure monitoring and control systems.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Telecommunications
Energy and Utilities
IT and Software Development
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems running Pingzapper 2.3.1 across your organization
2. Restrict local access to affected systems through Group Policy and access controls
3. Monitor Windows Event Logs for suspicious service creation and execution events
Patching Guidance:
1. Upgrade Pingzapper to version 2.3.2 or later immediately
2. Apply Windows updates to ensure service path validation is enforced
3. Verify service path is properly quoted in registry: HKLM\SYSTEM\CurrentControlSet\Services\PingzapperSvc
Compensating Controls:
1. Implement Application Whitelisting (AppLocker/WDAC) to prevent unauthorized executable execution
2. Enable Windows Defender Exploit Guard and Attack Surface Reduction rules
3. Restrict write permissions to C:\Program Files (x86)\Pingzapper\ directory
4. Implement privileged access management (PAM) for local administrator accounts
Detection Rules:
1. Monitor for file creation in C:\Program Files (x86)\Pingzapper\ with suspicious names
2. Alert on service registry modifications to PingzapperSvc ImagePath
3. Track process execution with parent process as PZService.exe
4. Monitor for DLL injection attempts targeting PZService.exe
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تقوم بتشغيل Pingzapper 2.3.1 في جميع أنحاء المنظمة
2. تقييد الوصول المحلي للأنظمة المتأثرة من خلال Group Policy وعناصر التحكم في الوصول
3. مراقبة سجلات أحداث Windows للبحث عن إنشاء وتنفيذ الخدمات المريبة
إرشادات التصحيح:
1. ترقية Pingzapper إلى الإصدار 2.3.2 أو أحدث على الفور
2. تطبيق تحديثات Windows لضمان فرض التحقق من مسار الخدمة
3. التحقق من أن مسار الخدمة مقتبس بشكل صحيح في السجل: HKLM\SYSTEM\CurrentControlSet\Services\PingzapperSvc
عناصر التحكم البديلة:
1. تنفيذ قائمة التطبيقات المسموحة (AppLocker/WDAC) لمنع تنفيذ الملفات التنفيذية غير المصرح بها
2. تفعيل Windows Defender Exploit Guard وقواعد تقليل سطح الهجوم
3. تقييد أذونات الكتابة لدليل C:\Program Files (x86)\Pingzapper\
4. تنفيذ إدارة الوصول المميز (PAM) لحسابات المسؤول المحلي
قواعد الكشف:
1. مراقبة إنشاء الملفات في C:\Program Files (x86)\Pingzapper\ بأسماء مريبة
2. التنبيه على تعديلات سجل خدمة PingzapperSvc ImagePath
3. تتبع تنفيذ العملية مع عملية الوالد كـ PZService.exe
4. مراقبة محاولات حقن DLL التي تستهدف PZService.exe
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 - 5.1.1: Access Control and Authentication
ECC 2024 - 5.2.1: Privilege Management
ECC 2024 - 5.3.1: Malware Protection
ECC 2024 - 6.1.1: Vulnerability Management
🔵 SAMA CSF
SAMA CSF - ID.AM-2: Software and Hardware Inventory
SAMA CSF - PR.AC-1: Access Control Policy
SAMA CSF - PR.AC-4: Access Rights Management
SAMA CSF - DE.CM-4: Malicious Code Detection
🟡 ISO 27001:2022
ISO 27001:2022 - A.5.15: Access Control
ISO 27001:2022 - A.8.1: User Endpoint Devices
ISO 27001:2022 - A.8.7: Malware Protection
ISO 27001:2022 - A.12.6: Management of Technical Vulnerabilities
🔗 References & Sources 4