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Vulnerabilities

CVE-2020-1472

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Microsoft Netlogon Privilege Escalation Vulnerability — Microsoft's Netlogon Remote Protocol (MS-NRPC) contains a privilege escalation vulnerability when an attacker establishes a vulnerable Netlogon
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Microsoft Netlogon Privilege Escalation Vulnerability — Microsoft's Netlogon Remote Protocol (MS-NRPC) contains a privilege escalation vulnerability when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller. An attacker who successfully exploits the vulnerability could run a specially crafted application on a device on the network. The vulnerability is also known under the moniker of Zerologon.

🤖 AI Executive Summary

CVE-2020-1472 (Zerologon) is a critical privilege escalation vulnerability in Microsoft's Netlogon Remote Protocol that allows attackers to establish unauthorized secure channel connections to domain controllers. Successful exploitation enables attackers to execute arbitrary code with domain controller privileges on networked devices.

📄 Description (Arabic)

ثغرة Zerologon تؤثر على بروتوكول Netlogon Remote Protocol (MS-NRPC) في Windows Server وتسمح للمهاجمين بتجاوز آليات المصادقة الآمنة. يمكن للمهاجم إنشاء قناة آمنة مزيفة مع متحكم المجال وتنفيذ أوامر بامتيازات عالية جداً. هذه الثغرة تعتبر من أخطر الثغرات في أنظمة Windows لأنها تؤثر على أساس البنية التحتية للمجال.

🤖 ملخص تنفيذي (AI)

CVE-2020-1472 (Zerologon) هو ثغرة حرجة في بروتوكول Netlogon من Microsoft تسمح للمهاجمين بإنشاء اتصالات قنوات آمنة غير مصرح بها لمتحكمات المجال. يمكن للمهاجمين الناجحين تنفيذ أكواد عشوائية بامتيازات متحكم المجال على الأجهزة المتصلة بالشبكة.

🤖 AI Intelligence Analysis Analyzed: Apr 23, 2026 20:21
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
10.0
/ 10.0
🔧 Remediation Steps (English)
Apply Microsoft security updates immediately for all affected Windows Server versions (2008 R2, 2012, 2012 R2, 2016, 2019). Implement network segmentation to restrict Netlogon traffic. Monitor domain controller logs for suspicious authentication attempts. Disable null session connections where possible. Conduct immediate vulnerability scanning across all domain controllers and member servers.
🔧 خطوات المعالجة (العربية)
تطبيق تحديثات أمان Microsoft فوراً على جميع إصدارات Windows Server المتأثرة. تنفيذ تقسيم الشبكة لتقييد حركة Netlogon. مراقبة سجلات متحكم المجال للكشف عن محاولات المصادقة المريبة. تعطيل اتصالات الجلسات الفارغة حيث أمكن. إجراء فحص فوري للثغرات على جميع متحكمات المجال والخوادم الأعضاء.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2 5.2.1
🔵 SAMA CSF
AC-2 AC-3 SI-2
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.18.1.3
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Microsoft:Netlogon
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.38%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-05-03
Published 2021-11-03
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
10.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited ransomware
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