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Vulnerabilities

CVE-2020-17496

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
vBulletin PHP Module Remote Code Execution Vulnerability — The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an
Published: Nov 3, 2021  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

vBulletin PHP Module Remote Code Execution Vulnerability — The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. This CVE ID resolves an incomplete patch for CVE-2019-16759.

🤖 AI Executive Summary

vBulletin's PHP module contains a critical remote code execution vulnerability in widget rendering that allows attackers to execute arbitrary code through crafted AJAX requests. This vulnerability is an incomplete patch for a previously disclosed issue, making it a high-priority threat for organizations using affected versions.

📄 Description (Arabic)

تحتوي وحدة PHP في vBulletin على ثغرة تنفيذ أكواد بعيدة حرجة تسمح للمهاجمين بتنفيذ أوامر تعسفية من خلال بيانات subWidgets المصنوعة في طلبات AJAX. هذه الثغرة تمثل إصلاحاً غير كامل لـ CVE-2019-16759 السابق، مما يعني أن الحل الأول لم يكن شاملاً. يمكن للمهاجمين الاستفادة من هذا الضعف للحصول على تحكم كامل بالخادم والبيانات.

🤖 ملخص تنفيذي (AI)

ثغرة حرجة في وحدة PHP بـ vBulletin تسمح بتنفيذ أكواد بعيدة من خلال طلبات AJAX مصنوعة بعناية. تمثل هذه الثغرة إصلاحاً غير كامل لمشكلة سابقة، مما يجعلها تهديداً عالي الأولوية للمنظمات.

🤖 AI Intelligence Analysis Analyzed: Apr 24, 2026 05:26
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government healthcare banking
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update vBulletin to the latest patched version (5.6.2 or later). Disable or restrict access to AJAX widget rendering endpoints if immediate patching is not possible. Implement Web Application Firewall (WAF) rules to block malicious subWidgets payloads. Monitor server logs for suspicious AJAX requests to widget_tabbedcontainer_tab_panel endpoints. Conduct a security audit to identify any unauthorized code execution or data breaches.
🔧 خطوات المعالجة (العربية)
قم بتحديث vBulletin فوراً إلى أحدث إصدار مصحح (5.6.2 أو أحدث). عطّل أو قيّد الوصول إلى نقاط نهاية AJAX إذا لم يكن التحديث ممكناً فوراً. طبّق قواعد جدار الحماية لحجب حمولات subWidgets الضارة. راقب سجلات الخادم للكشف عن طلبات AJAX المريبة. أجرِ تدقيقاً أمنياً للتحقق من أي تنفيذ أكواد غير مصرح به.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 6.1 6.2
🔵 SAMA CSF
ID.BE-1 PR.DS-1 PR.DS-2 DE.CM-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.2.1
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
vBulletin:vBulletin
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.18%
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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