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Global vulnerability Multiple sectors CRITICAL 30m Global vulnerability Information Technology / Software Infrastructure CRITICAL 32m Global data_breach Healthcare CRITICAL 48m Global data_breach Mobile Technology / Consumer Electronics HIGH 1h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 1h Global apt Cryptocurrency and Blockchain CRITICAL 1h Global malware Financial Services, Mobile Payments HIGH 2h Global vulnerability Government and Critical Infrastructure CRITICAL 5h Global apt Cryptocurrency and Blockchain CRITICAL 13h Global malware Financial Services / Cryptocurrency CRITICAL 13h Global vulnerability Multiple sectors CRITICAL 30m Global vulnerability Information Technology / Software Infrastructure CRITICAL 32m Global data_breach Healthcare CRITICAL 48m Global data_breach Mobile Technology / Consumer Electronics HIGH 1h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 1h Global apt Cryptocurrency and Blockchain CRITICAL 1h Global malware Financial Services, Mobile Payments HIGH 2h Global vulnerability Government and Critical Infrastructure CRITICAL 5h Global apt Cryptocurrency and Blockchain CRITICAL 13h Global malware Financial Services / Cryptocurrency CRITICAL 13h Global vulnerability Multiple sectors CRITICAL 30m Global vulnerability Information Technology / Software Infrastructure CRITICAL 32m Global data_breach Healthcare CRITICAL 48m Global data_breach Mobile Technology / Consumer Electronics HIGH 1h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 1h Global apt Cryptocurrency and Blockchain CRITICAL 1h Global malware Financial Services, Mobile Payments HIGH 2h Global vulnerability Government and Critical Infrastructure CRITICAL 5h Global apt Cryptocurrency and Blockchain CRITICAL 13h Global malware Financial Services / Cryptocurrency CRITICAL 13h
Vulnerabilities

CVE-2021-21551

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Dell dbutil Driver Insufficient Access Control Vulnerability — Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service (D
Published: Mar 31, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Dell dbutil Driver Insufficient Access Control Vulnerability — Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service (DoS), or information disclosure.

🤖 AI Executive Summary

Dell dbutil driver contains a critical insufficient access control vulnerability (CVSS 9.0) enabling privilege escalation, denial-of-service, and information disclosure. The vulnerability affects Dell systems widely deployed across Saudi organizations and has publicly available exploits. Immediate patching is essential as this vulnerability poses severe risk to system integrity and data confidentiality.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 20, 2026 01:20
🇸🇦 Saudi Arabia Impact Assessment
Critical impact across multiple Saudi sectors: Banking sector (SAMA-regulated institutions, payment processing systems) faces privilege escalation risks compromising transaction integrity; Government entities (NCA, ministries) risk unauthorized access to sensitive systems; Healthcare organizations (MOH facilities, private hospitals) face patient data exposure; Energy sector (ARAMCO, utilities) risks operational technology compromise; Telecom providers (STC, Mobily, Zain) face infrastructure disruption. Dell systems are prevalent in enterprise environments across all these sectors, making this vulnerability a widespread threat to Saudi critical infrastructure.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications Defense and Security Education Transportation
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Dell systems running dbutil driver across your infrastructure using asset inventory tools
2. Isolate affected systems from network if exploitation is suspected
3. Review system logs for suspicious privilege escalation attempts and unauthorized access

PATCHING GUIDANCE:
1. Download latest Dell dbutil driver patches from Dell support portal
2. Test patches in non-production environment first
3. Apply patches to all affected systems with priority to critical infrastructure and user-facing systems
4. Verify patch installation and driver version post-deployment

COMPENSATING CONTROLS (if immediate patching not possible):
1. Restrict dbutil driver access through Windows Device Guard/HVCI
2. Implement application whitelisting to prevent unauthorized driver loading
3. Disable dbutil driver if not required for business operations
4. Apply principle of least privilege to user accounts

DETECTION RULES:
1. Monitor for dbutil.sys driver loading from non-standard locations
2. Alert on privilege escalation attempts from low-privilege processes
3. Track unauthorized access to system memory and kernel space
4. Monitor for DoS patterns (system crashes, resource exhaustion)
5. Implement EDR rules for suspicious driver behavior and IOCTL calls
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أنظمة Dell التي تقوم بتشغيل برنامج تشغيل dbutil عبر أدوات جرد الأصول
2. عزل الأنظمة المتأثرة عن الشبكة في حالة الاشتباه في الاستغلال
3. مراجعة سجلات النظام للبحث عن محاولات تصعيد امتيازات مريبة والوصول غير المصرح به

إرشادات التصحيح:
1. تحميل أحدث تصحيحات برنامج تشغيل Dell dbutil من بوابة دعم Dell
2. اختبار التصحيحات في بيئة غير الإنتاج أولاً
3. تطبيق التصحيحات على جميع الأنظمة المتأثرة مع إعطاء الأولوية للبنية التحتية الحرجة
4. التحقق من تثبيت التصحيح وإصدار برنامج التشغيل بعد النشر

الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكنًا):
1. تقييد وصول برنامج تشغيل dbutil من خلال Windows Device Guard/HVCI
2. تطبيق القائمة البيضاء للتطبيقات لمنع تحميل برنامج التشغيل غير المصرح به
3. تعطيل برنامج تشغيل dbutil إذا لم يكن مطلوبًا للعمليات التجارية
4. تطبيق مبدأ أقل امتياز على حسابات المستخدمين

قواعد الكشف:
1. مراقبة تحميل برنامج تشغيل dbutil.sys من مواقع غير قياسية
2. التنبيه على محاولات تصعيد الامتيازات من العمليات منخفضة الامتياز
3. تتبع الوصول غير المصرح به إلى ذاكرة النظام ومساحة kernel
4. مراقبة أنماط DoS (أعطال النظام، استنزاف الموارد)
5. تطبيق قواعد EDR للسلوك المريب للبرنامج والاتصالات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures A.6.1.1 - Access control policy A.6.2.1 - User registration and access rights management A.8.1.1 - Asset inventory and ownership A.12.2.1 - Change management procedures A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.AM-2 - Software inventory PR.AC-1 - Access control policy PR.PT-2 - Protective technology deployment DE.CM-8 - Vulnerability scanning RS.MI-2 - Incident response procedures
🟡 ISO 27001:2022
A.5.1 - Management direction for information security A.6.1 - Organizational controls A.8.1 - Asset management A.12.2 - Change management A.12.6 - Management of technical vulnerabilities and exposures A.14.2 - Development and support processes
🟣 PCI DSS v4.0
2.2.4 - Configure system security parameters 6.2 - Ensure security patches are installed 11.2 - Vulnerability scanning
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Dell:dbutil Driver
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS59.92%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-04-21
Published 2022-03-31
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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