INITIALIZING
📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global phishing Multiple sectors HIGH 38m Global insider Cybersecurity Services CRITICAL 47m Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 1h Global malware Technology and Cloud Services HIGH 1h Global general Financial Services and E-commerce MEDIUM 1h Global data_breach Social Media and Communications CRITICAL 1h Global general Cybersecurity Operations HIGH 2h Global phishing Technology and Consumer Services HIGH 2h Global data_breach Multiple sectors HIGH 2h Global phishing Multiple sectors HIGH 38m Global insider Cybersecurity Services CRITICAL 47m Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 1h Global malware Technology and Cloud Services HIGH 1h Global general Financial Services and E-commerce MEDIUM 1h Global data_breach Social Media and Communications CRITICAL 1h Global general Cybersecurity Operations HIGH 2h Global phishing Technology and Consumer Services HIGH 2h Global data_breach Multiple sectors HIGH 2h Global phishing Multiple sectors HIGH 38m Global insider Cybersecurity Services CRITICAL 47m Global ransomware Multiple sectors (U.S. companies) CRITICAL 1h Global malware Financial Services, Cryptocurrency CRITICAL 1h Global malware Technology and Cloud Services HIGH 1h Global general Financial Services and E-commerce MEDIUM 1h Global data_breach Social Media and Communications CRITICAL 1h Global general Cybersecurity Operations HIGH 2h Global phishing Technology and Consumer Services HIGH 2h Global data_breach Multiple sectors HIGH 2h
Vulnerabilities

CVE-2021-30633

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Google Chromium Indexed DB API Use-After-Free Vulnerability — Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer pro
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Google Chromium Indexed DB API Use-After-Free Vulnerability — Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

🤖 AI Executive Summary

CVE-2021-30633 is a critical use-after-free vulnerability in Google Chromium's Indexed DB API that enables sandbox escape when the renderer process is compromised. With a CVSS score of 9.0 and publicly available exploits, this poses an immediate threat to all Chromium-based browsers used across Saudi Arabia. Successful exploitation could grant attackers full system access, making this a priority for immediate patching across all organizations.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 20, 2026 13:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses critical risk to Saudi banking sector (SAMA-regulated institutions), government agencies (NCA oversight), and telecommunications providers (STC, Mobily). Financial institutions using Chromium-based applications for customer-facing services face direct compromise risk. Government entities relying on Chrome for secure communications and data processing are at high risk. Healthcare organizations using Chromium browsers for patient data access could experience HIPAA-equivalent breaches. Energy sector (ARAMCO, SEC) systems utilizing Chromium for operational technology interfaces face potential industrial control system compromise. Educational institutions and private sector organizations across all verticals are vulnerable.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Services Energy and Utilities Telecommunications Education Retail and E-commerce Manufacturing Insurance Real Estate and Construction
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Chromium-based browser deployments (Chrome, Edge, Opera, Brave) across your organization
2. Disable Indexed DB functionality in browser policies if not business-critical
3. Restrict renderer process privileges through OS-level sandboxing
4. Block untrusted HTML content and disable JavaScript execution from untrusted sources

PATCHING GUIDANCE:
1. Update Google Chrome to version 92.0.4515.131 or later immediately
2. Update Microsoft Edge to version 92.0.902.67 or later
3. Update Opera to version 77.0 or later
4. Deploy patches through WSUS/MDM within 24 hours for critical systems
5. Prioritize banking, government, and healthcare systems

COMPENSATING CONTROLS (if immediate patching impossible):
1. Implement network-level content filtering to block malicious HTML payloads
2. Deploy endpoint detection and response (EDR) solutions with memory exploit detection
3. Enforce strict Content Security Policy (CSP) headers on all web applications
4. Implement application whitelisting to prevent unauthorized process execution
5. Monitor for suspicious renderer process behavior and sandbox escape attempts

DETECTION RULES:
1. Monitor for abnormal memory access patterns in Chromium renderer processes
2. Alert on unexpected child process creation from browser processes
3. Track Indexed DB API calls with unusual memory allocation patterns
4. Monitor for privilege escalation attempts following browser process compromise
5. Log all HTML file executions from untrusted sources
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نشرات المتصفحات المستندة إلى Chromium (Chrome و Edge و Opera و Brave) عبر مؤسستك
2. تعطيل وظيفة Indexed DB في سياسات المتصفح إذا لم تكن حرجة للعمل
3. تقييد امتيازات عملية العرض من خلال الحماية الرملية على مستوى نظام التشغيل
4. حظر محتوى HTML غير الموثوق وتعطيل تنفيذ JavaScript من مصادر غير موثوقة

إرشادات التصحيح:
1. تحديث Google Chrome إلى الإصدار 92.0.4515.131 أو أحدث فوراً
2. تحديث Microsoft Edge إلى الإصدار 92.0.902.67 أو أحدث
3. تحديث Opera إلى الإصدار 77.0 أو أحدث
4. نشر التصحيحات عبر WSUS/MDM خلال 24 ساعة للأنظمة الحرجة
5. إعطاء الأولوية لأنظمة البنوك والحكومة والرعاية الصحية

الضوابط البديلة (إذا كان التصحيح الفوري مستحيلاً):
1. تنفيذ تصفية المحتوى على مستوى الشبكة لحظر حمولات HTML الضارة
2. نشر حلول كشف الاستجابة على نقطة النهاية (EDR) مع كشف استغلال الذاكرة
3. فرض سياسة أمان المحتوى (CSP) الصارمة على جميع تطبيقات الويب
4. تنفيذ قائمة بيضاء للتطبيقات لمنع تنفيذ العمليات غير المصرح بها
5. مراقبة محاولات سلوك عملية العرض المريبة والهروب من الحماية الرملية

قواعد الكشف:
1. مراقبة أنماط الوصول إلى الذاكرة غير الطبيعية في عمليات عرض Chromium
2. التنبيه على إنشاء عملية فرعية غير متوقعة من عمليات المتصفح
3. تتبع استدعاءات واجهة برمجة تطبيقات Indexed DB مع أنماط تخصيص الذاكرة غير العادية
4. مراقبة محاولات تصعيد الامتيازات بعد اختراق عملية المتصفح
5. تسجيل جميع عمليات تنفيذ ملفات HTML من مصادر غير موثوقة
📋 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.12.2.1 - Controls Against Malware ECC 2024 A.12.3.1 - Management of Technical Vulnerabilities ECC 2024 A.14.2.1 - Secure Development Policy
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business Environment SAMA CSF PR.DS-6 - Data Security SAMA CSF PR.PT-1 - Security Architecture and Design SAMA CSF DE.CM-1 - Detection Processes SAMA CSF RS.MI-1 - Incident Mitigation
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for Information Security ISO 27001:2022 A.8.1 - User Endpoint Devices ISO 27001:2022 A.12.2 - Protection from Malware ISO 27001:2022 A.12.3 - Management of Technical Vulnerabilities ISO 27001:2022 A.14.2 - Secure Development Policy
🟣 PCI DSS v4.0
PCI DSS 6.2 - Security Patches and Updates PCI DSS 6.5.1 - Injection Flaws PCI DSS 11.2 - Vulnerability Scanning
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Google:Chromium Indexed DB API
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS38.16%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2021-11-17
Published 2021-11-03
Source Feed cisa_kev
Views 4
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
Share this CVE
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.