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Vulnerabilities

CVE-2020-3992

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
VMware ESXi OpenSLP Use-After-Free Vulnerability — VMware ESXi OpenSLP contains a use-after-free vulnerability that allows an attacker residing in the management network with access to port 427 to per
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

VMware ESXi OpenSLP Use-After-Free Vulnerability — VMware ESXi OpenSLP contains a use-after-free vulnerability that allows an attacker residing in the management network with access to port 427 to perform remote code execution.

🤖 AI Executive Summary

VMware ESXi OpenSLP contains a use-after-free vulnerability allowing remote code execution on port 427. Attackers with management network access can exploit this critical flaw to gain complete system control.

📄 Description (Arabic)

ثغرة use-after-free في خدمة OpenSLP بـ VMware ESXi تسمح للمهاجمين في شبكة الإدارة بتنفيذ أوامر بعيدة. الثغرة تؤثر على المنفذ 427 وتتطلب وصول محلي إلى شبكة الإدارة. هذا يشكل خطراً حرجاً على البنية التحتية الافتراضية.

🤖 ملخص تنفيذي (AI)

VMware ESXi OpenSLP يحتوي على ثغرة use-after-free تسمح بتنفيذ أوامر بعيدة على المنفذ 427. يمكن للمهاجمين الذين لديهم وصول إلى شبكة الإدارة استغلال هذا الخلل الحرج للسيطرة الكاملة على النظام.

🤖 AI Intelligence Analysis Analyzed: Apr 22, 2026 01:19
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately patch VMware ESXi to the latest version addressing CVE-2020-3992. Restrict network access to port 427 to authorized management systems only. Implement network segmentation to isolate management networks. Monitor port 427 for suspicious activity and disable OpenSLP if not required.
🔧 خطوات المعالجة (العربية)
قم بتحديث VMware ESXi فوراً إلى أحدث إصدار يعالج هذه الثغرة. قيد الوصول إلى المنفذ 427 للأنظمة الإدارية المصرح بها فقط. طبق تقسيم الشبكة لعزل شبكات الإدارة. راقب المنفذ 427 للنشاط المريب وعطل OpenSLP إذا لم يكن مطلوباً.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.7.1 A.12.2 A.12.4 A.13.1
🔵 SAMA CSF
ID.BE-5 PR.AC-3 PR.PT-3 DE.CM-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.13.1.1 A.14.2.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
VMware:ESXi
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS82.69%
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
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited ransomware
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