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Global vulnerability Multiple sectors CRITICAL 1h Global vulnerability Information Technology / Software Infrastructure CRITICAL 1h Global data_breach Healthcare CRITICAL 2h Global data_breach Mobile Technology / Consumer Electronics HIGH 2h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 2h Global apt Cryptocurrency and Blockchain CRITICAL 3h Global malware Financial Services, Mobile Payments HIGH 4h Global vulnerability Government and Critical Infrastructure CRITICAL 6h Global apt Cryptocurrency and Blockchain CRITICAL 14h Global malware Financial Services / Cryptocurrency CRITICAL 15h Global vulnerability Multiple sectors CRITICAL 1h Global vulnerability Information Technology / Software Infrastructure CRITICAL 1h Global data_breach Healthcare CRITICAL 2h Global data_breach Mobile Technology / Consumer Electronics HIGH 2h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 2h Global apt Cryptocurrency and Blockchain CRITICAL 3h Global malware Financial Services, Mobile Payments HIGH 4h Global vulnerability Government and Critical Infrastructure CRITICAL 6h Global apt Cryptocurrency and Blockchain CRITICAL 14h Global malware Financial Services / Cryptocurrency CRITICAL 15h Global vulnerability Multiple sectors CRITICAL 1h Global vulnerability Information Technology / Software Infrastructure CRITICAL 1h Global data_breach Healthcare CRITICAL 2h Global data_breach Mobile Technology / Consumer Electronics HIGH 2h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 2h Global apt Cryptocurrency and Blockchain CRITICAL 3h Global malware Financial Services, Mobile Payments HIGH 4h Global vulnerability Government and Critical Infrastructure CRITICAL 6h Global apt Cryptocurrency and Blockchain CRITICAL 14h Global malware Financial Services / Cryptocurrency CRITICAL 15h
Vulnerabilities

CVE-2021-37976

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Google Chromium Information Disclosure Vulnerability — Google Chromium contains an information disclosure vulnerability within the core memory component that allows a remote attacker to obtain potenti
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Google Chromium Information Disclosure Vulnerability — Google Chromium contains an information disclosure vulnerability within the core memory component that allows a remote attacker to obtain potentially sensitive information from process memory 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-2021-37976 is a critical information disclosure vulnerability (CVSS 9.0) in Google Chromium's memory component that allows remote attackers to extract sensitive data from process memory through malicious HTML pages. This affects all Chromium-based browsers including Chrome, Edge, and Opera. With public exploits available, immediate patching is essential for all Saudi organizations and users.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 21, 2026 04:54
🇸🇦 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, SEC). Financial institutions face risks of credential theft and account compromise. Government agencies risk exposure of classified communications and citizen data. Telecom operators (STC, Mobily, Zain) and e-commerce platforms are vulnerable to customer data exfiltration. The widespread use of Chromium-based browsers in Saudi enterprises makes this a critical infrastructure concern.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare and Medical Services Energy and Utilities Telecommunications E-commerce and Retail Education Transportation and Logistics
⚖️ Saudi Risk Score (AI)
9.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Chromium-based browser deployments (Chrome, Edge, Opera) across your organization
2. Disable browser access to sensitive systems until patching is complete
3. Block malicious websites using web filtering and DNS controls
4. Monitor for suspicious HTML content in email and web traffic

PATCHING GUIDANCE:
1. Update Google Chrome to version 94.0.4606.54 or later immediately
2. Update Microsoft Edge to version 94.0.992.31 or later
3. Update Opera to version 80.0 or later
4. Deploy patches via SCCM, Intune, or equivalent MDM solutions
5. Prioritize patching for systems accessing financial, government, or healthcare data

COMPENSATING CONTROLS (if immediate patching not possible):
1. Implement Content Security Policy (CSP) headers to restrict script execution
2. Deploy browser isolation technology for high-risk users
3. Use application whitelisting to prevent malicious HTML execution
4. Implement network segmentation to limit data exposure
5. Enable Enhanced Safe Browsing in Chrome settings

DETECTION RULES:
1. Monitor for unusual memory access patterns in browser processes
2. Alert on execution of suspicious JavaScript in browser context
3. Track outbound connections from browser processes to unknown destinations
4. Monitor for CVE-2021-37976 exploitation attempts in web logs
5. Implement YARA rules for known exploit payloads
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نشرات متصفحات Chromium (Chrome و Edge و Opera) عبر مؤسستك
2. تعطيل وصول المتصفح إلى الأنظمة الحساسة حتى يتم إكمال التصحيح
3. حظر المواقع الضارة باستخدام تصفية الويب وعناصم التحكم في DNS
4. مراقبة محتوى HTML المريب في البريد الإلكتروني وحركة الويب

إرشادات التصحيح:
1. تحديث Google Chrome إلى الإصدار 94.0.4606.54 أو أحدث على الفور
2. تحديث Microsoft Edge إلى الإصدار 94.0.992.31 أو أحدث
3. تحديث Opera إلى الإصدار 80.0 أو أحدث
4. نشر التصحيحات عبر SCCM أو Intune أو حلول MDM المكافئة
5. إعطاء الأولوية لتصحيح الأنظمة التي تصل إلى البيانات المالية والحكومية والصحية

الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكنًا):
1. تنفيذ رؤوس سياسة أمان المحتوى (CSP) لتقييد تنفيذ البرامج النصية
2. نشر تقنية عزل المتصفح للمستخدمين عالي المخاطر
3. استخدام القائمة البيضاء للتطبيقات لمنع تنفيذ HTML الضار
4. تنفيذ تقسيم الشبكة لتحديد تعرض البيانات
5. تفعيل التصفح الآمن المحسّن في إعدادات Chrome

قواعد الكشف:
1. مراقبة أنماط الوصول غير العادية للذاكرة في عمليات المتصفح
2. التنبيه على تنفيذ JavaScript المريب في سياق المتصفح
3. تتبع الاتصالات الصادرة من عمليات المتصفح إلى وجهات غير معروفة
4. مراقبة محاولات استغلال CVE-2021-37976 في سجلات الويب
5. تنفيذ قواعد YARA لحمولات الاستغلال المعروفة
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Information Security Policies and Procedures ECC 2024 A.6.1.1 - Access Control and Authentication 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 - Business Environment SAMA CSF PR.IP-12 - Information and Communications Technology (ICT) Security SAMA CSF DE.CM-8 - Vulnerability Scans SAMA CSF RS.MI-2 - Incident Response and Management
🟡 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.12.6 - Management of Technical Vulnerabilities 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
Google:Chromium
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS14.57%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2021-11-17
Published 2021-11-03
Source Feed cisa_kev
Views 3
🇸🇦 Saudi Risk Score
9.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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