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Global vulnerability Multiple sectors CRITICAL 27m Global vulnerability Information Technology / Software Infrastructure CRITICAL 29m Global data_breach Healthcare CRITICAL 45m 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 27m Global vulnerability Information Technology / Software Infrastructure CRITICAL 29m Global data_breach Healthcare CRITICAL 45m 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 27m Global vulnerability Information Technology / Software Infrastructure CRITICAL 29m Global data_breach Healthcare CRITICAL 45m 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-2021-30807

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Apple Multiple Products Memory Corruption Vulnerability — Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Apple Multiple Products Memory Corruption Vulnerability — Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.

🤖 AI Executive Summary

CVE-2021-30807 is a critical memory corruption vulnerability in Apple's IOMobileFrameBuffer affecting iOS, iPadOS, macOS, and watchOS. An unprivileged application can exploit this flaw to execute arbitrary code with kernel privileges, enabling complete system compromise. With active exploits available and widespread Apple device adoption in Saudi Arabia, immediate patching is essential to prevent unauthorized access and data exfiltration.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 20, 2026 15:29
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses severe risk to Saudi banking sector (SAMA-regulated institutions), government agencies (NCA, NCSC), healthcare providers, and energy sector (ARAMCO). High-value targets including financial institutions, government ministries, and critical infrastructure operators using Apple devices for executive communications and operations are at elevated risk. Telecom operators (STC, Mobily, Zain) managing network infrastructure with Apple-based management systems face potential compromise. The kernel-level execution capability enables persistent backdoors, credential theft, and lateral movement across enterprise networks.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Services Energy and Utilities Telecommunications Critical Infrastructure Defense and Security
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Apple devices (iPhone, iPad, Mac, Apple Watch) in your organization using Mobile Device Management (MDM) or asset inventory tools
2. Prioritize patching for devices accessing critical systems, financial data, and government networks
3. Restrict application installations from untrusted sources until patching is complete
4. Enable Security Lockdown Mode on iOS/iPadOS devices if available

PATCHING GUIDANCE:
1. Update to iOS 14.7.1 or later, iPadOS 14.7.1 or later, macOS 11.5.1 or later, watchOS 7.6.1 or later
2. Enable automatic security updates in Settings > General > Software Update > Automatic Updates
3. For enterprise deployments, use MDM to enforce mandatory updates with deadline enforcement
4. Verify patch installation through device inventory reports

COMPENSATING CONTROLS (if immediate patching not possible):
1. Restrict application installations to enterprise App Store only
2. Disable untrusted app execution through MDM restrictions
3. Implement network segmentation isolating Apple devices from critical systems
4. Monitor for suspicious kernel-level process execution
5. Disable camera and microphone access for non-essential applications

DETECTION RULES:
1. Monitor for unexpected kernel panic events and system crashes
2. Alert on unauthorized privilege escalation attempts in system logs
3. Track unusual memory access patterns and buffer overflow indicators
4. Monitor for suspicious IOMobileFrameBuffer driver interactions
5. Implement EDR solutions to detect code execution with kernel privileges
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع أجهزة Apple (iPhone و iPad و Mac و Apple Watch) في مؤسستك باستخدام أدوات إدارة الأجهزة المحمولة أو قوائم الجرد
2. إعطاء الأولوية لتصحيح الأجهزة التي تصل إلى الأنظمة الحرجة والبيانات المالية والشبكات الحكومية
3. تقييد تثبيت التطبيقات من مصادر غير موثوقة حتى اكتمال التصحيح
4. تفعيل وضع Security Lockdown على أجهزة iOS/iPadOS إن أمكن

إرشادات التصحيح:
1. التحديث إلى iOS 14.7.1 أو أحدث، iPadOS 14.7.1 أو أحدث، macOS 11.5.1 أو أحدث، watchOS 7.6.1 أو أحدث
2. تفعيل التحديثات الأمنية التلقائية في الإعدادات > عام > تحديث البرنامج > التحديثات التلقائية
3. للنشر على مستوى المؤسسة، استخدم MDM لفرض التحديثات الإلزامية مع تطبيق المواعيد النهائية
4. التحقق من تثبيت التصحيح من خلال تقارير جرد الأجهزة

الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكنًا):
1. تقييد تثبيت التطبيقات على App Store للمؤسسات فقط
2. تعطيل تنفيذ التطبيقات غير الموثوقة من خلال قيود MDM
3. تطبيق تقسيم الشبكة لعزل أجهزة Apple عن الأنظمة الحرجة
4. مراقبة تنفيذ العمليات على مستوى kernel المريب
5. تعطيل الوصول إلى الكاميرا والميكروفون للتطبيقات غير الأساسية

قواعد الكشف:
1. مراقبة أحداث kernel panic غير المتوقعة وأعطال النظام
2. التنبيه على محاولات تصعيد الامتيازات غير المصرح بها في سجلات النظام
3. تتبع أنماط الوصول إلى الذاكرة غير العادية ومؤشرات overflow
4. مراقبة التفاعلات المريبة مع برنامج تشغيل IOMobileFrameBuffer
5. تطبيق حلول EDR للكشف عن تنفيذ الكود بامتيازات kernel
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures ECC 2024 A.6.1.1 - Organization of Information Security ECC 2024 A.8.1.1 - Asset Management and Inventory ECC 2024 A.12.2.1 - Change Management ECC 2024 A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Asset Management SAMA CSF PR.DS-1 - Data Security SAMA CSF PR.IP-12 - Vulnerability Management SAMA CSF DE.CM-8 - Vulnerability Scanning SAMA CSF RS.MI-2 - Incident Response and Recovery
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for Information Security ISO 27001:2022 A.8.1 - Asset Management ISO 27001:2022 A.12.6 - Management of Technical Vulnerabilities and Exposures ISO 27001:2022 A.14.2 - Information Security Requirements Analysis and Specification
🟣 PCI DSS v4.0
PCI DSS 6.2 - Security Patches and Updates PCI DSS 11.2 - Vulnerability Scanning PCI DSS 12.2 - Configuration Standards
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Apple:Multiple Products
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS17.40%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2021-11-17
Published 2021-11-03
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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