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Vulnerabilities

CVE-2020-24557

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Trend Micro Multiple Products Improper Access Control Vulnerability — Trend Micro Apex One, OfficeScan, and Worry-Free Business Security on Microsoft Windows contain an improper access control vulnera
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Trend Micro Multiple Products Improper Access Control Vulnerability — Trend Micro Apex One, OfficeScan, and Worry-Free Business Security on Microsoft Windows contain an improper access control vulnerability that may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function, and attain privilege escalation.

🤖 AI Executive Summary

Trend Micro Apex One, OfficeScan, and Worry-Free Business Security contain an improper access control vulnerability allowing attackers to manipulate product folders and disable security temporarily. This vulnerability enables privilege escalation through abuse of specific Windows functions.

📄 Description (Arabic)

تؤثر هذه الثغرة على منتجات Trend Micro الشهيرة المستخدمة على نطاق واسع في المؤسسات السعودية. يمكن للمهاجمين المحليين استغلال التحكم غير الصحيح بالوصول للتلاعب بمجلدات الأمان وتعطيل الحماية بشكل مؤقت. يسمح الاستغلال بتصعيد الامتيازات والحصول على تحكم كامل بالنظام.

🤖 ملخص تنفيذي (AI)

منتجات Trend Micro متعددة تحتوي على ثغرة في التحكم بالوصول تسمح للمهاجمين بمعالجة مجلدات المنتج وتعطيل الأمان مؤقتاً. تمكن هذه الثغرة من تصعيد الامتيازات من خلال إساءة استخدام وظائف Windows محددة.

🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 11:36
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking government healthcare telecom energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Update Trend Micro Apex One, OfficeScan, and Worry-Free Business Security to the latest patched versions immediately. Implement principle of least privilege for user accounts, restrict folder permissions on Trend Micro installation directories, monitor for suspicious process execution and folder manipulation attempts, and apply Windows security updates promptly.
🔧 خطوات المعالجة (العربية)
قم بتحديث Trend Micro Apex One و OfficeScan و Worry-Free Business Security إلى أحدث الإصدارات المصححة فوراً. طبق مبدأ أقل امتياز لحسابات المستخدمين، قيد أذونات المجلدات في مجلدات تثبيت Trend Micro، راقب محاولات تنفيذ العمليات والتعديل على المجلدات المريبة، وطبق تحديثات أمان Windows بسرعة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1.1 5.1.2 5.2.1
🔵 SAMA CSF
AC-2 AC-3 AC-6
🟡 ISO 27001:2022
A.9.1.1 A.9.2.1 A.9.4.3
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Trend Micro:Apex One, OfficeScan, and Worry-Free Business Security
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS1.88%
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
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