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Vulnerabilities

CVE-2022-26134

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability — Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthent
Published: Jun 2, 2022  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability — Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.

🤖 AI Executive Summary

CVE-2022-26134 is a critical unauthenticated remote code execution vulnerability in Atlassian Confluence Server and Data Center (CVSS 9.0) that allows attackers to execute arbitrary code without authentication. This vulnerability poses an immediate threat to organizations using Confluence for documentation and collaboration, particularly in Saudi Arabia where Confluence is widely deployed across government, banking, and enterprise sectors. Exploitation is trivial with publicly available exploits, making immediate patching essential.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Apr 21, 2026 17:38
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses critical risk to Saudi organizations across multiple sectors: (1) Government agencies and NCA-regulated entities using Confluence for internal documentation and policy management; (2) SAMA-regulated financial institutions and banks storing sensitive financial data and compliance documentation; (3) ARAMCO and energy sector organizations using Confluence for operational and technical documentation; (4) STC and telecom providers managing network and infrastructure documentation; (5) Healthcare organizations storing patient-related documentation; (6) Large enterprises and contractors managing project documentation. Unauthenticated RCE allows complete system compromise, data exfiltration, lateral movement, and supply chain attacks.
🏢 Affected Saudi Sectors
Government Banking and Financial Services Energy and Utilities Telecommunications Healthcare Defense and Security Large Enterprises Consulting and Professional Services
⚖️ Saudi Risk Score (AI)
9.5
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Confluence Server and Data Center instances in your environment and document versions
2. Isolate affected Confluence servers from production networks if patching cannot be completed within 24 hours
3. Implement network-level access controls restricting Confluence access to authorized users only
4. Enable comprehensive logging and monitoring for all Confluence instances

PATCHING GUIDANCE:
1. Apply Atlassian security patches immediately:
- Confluence Server: Upgrade to version 7.4.17, 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4, 7.18.1 or later
- Confluence Data Center: Upgrade to version 7.4.17, 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4, 7.18.1 or later
2. Test patches in non-production environment before deployment
3. Plan maintenance window and execute patching within 48 hours

COMPENSATING CONTROLS (if patching delayed):
1. Implement Web Application Firewall (WAF) rules to block exploitation attempts
2. Restrict Confluence access via IP whitelisting to known internal networks
3. Disable remote access and require VPN for all Confluence access
4. Implement reverse proxy authentication requiring multi-factor authentication
5. Monitor for suspicious HTTP requests to Confluence endpoints

DETECTION RULES:
1. Monitor for POST requests to /confluence/pages/createpage.action or /confluence/pages/editpage.action from unauthenticated sources
2. Alert on any HTTP 200 responses from Confluence to requests containing template injection payloads
3. Monitor process execution from Confluence Java process (confluence.exe or java.exe running Confluence)
4. Alert on outbound connections from Confluence servers to unusual destinations
5. Monitor for file creation/modification in Confluence installation directories by non-admin users
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع خوادم Confluence Server و Data Center في بيئتك وتوثيق الإصدارات
2. عزل خوادم Confluence المتأثرة عن شبكات الإنتاج إذا لم يتمكن من إكمال التصحيح خلال 24 ساعة
3. تطبيق عناصر تحكم الوصول على مستوى الشبكة لتقييد وصول Confluence للمستخدمين المصرح لهم فقط
4. تفعيل السجلات الشاملة والمراقبة لجميع مثيلات Confluence

إرشادات التصحيح:
1. تطبيق تصحيحات أمان Atlassian فوراً:
- Confluence Server: الترقية إلى الإصدار 7.4.17 أو 7.13.7 أو 7.14.3 أو 7.15.2 أو 7.16.4 أو 7.17.4 أو 7.18.1 أو أحدث
- Confluence Data Center: الترقية إلى الإصدار 7.4.17 أو 7.13.7 أو 7.14.3 أو 7.15.2 أو 7.16.4 أو 7.17.4 أو 7.18.1 أو أحدث
2. اختبار التصحيحات في بيئة غير الإنتاج قبل النشر
3. التخطيط لنافذة الصيانة وتنفيذ التصحيح خلال 48 ساعة

عناصر التحكم التعويضية (إذا تأخر التصحيح):
1. تطبيق قواعد جدار حماية تطبيقات الويب (WAF) لحجب محاولات الاستغلال
2. تقييد وصول Confluence عبر قائمة بيضاء للعناوين من الشبكات الداخلية المعروفة
3. تعطيل الوصول البعيد وطلب VPN لجميع وصول Confluence
4. تطبيق مصادقة وكيل عكسي تتطلب المصادقة متعددة العوامل
5. مراقبة طلبات HTTP المريبة إلى نقاط نهاية Confluence

قواعد الكشف:
1. مراقبة طلبات POST إلى /confluence/pages/createpage.action أو /confluence/pages/editpage.action من مصادر غير مصرح لها
2. تنبيه على أي استجابات HTTP 200 من Confluence لطلبات تحتوي على حمولات حقن القوالب
3. مراقبة تنفيذ العمليات من عملية Java في Confluence
4. تنبيه على الاتصالات الصادرة من خوادم Confluence إلى وجهات غير عادية
5. مراقبة إنشاء/تعديل الملفات في أدلة تثبيت Confluence من قبل مستخدمين غير إداريين
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 - Access Control and Authentication 5.2 - Vulnerability Management 5.3 - Patch Management 5.4 - Security Monitoring and Logging 5.5 - Incident Response
🔵 SAMA CSF
ID.AM-2 - Software Inventory PR.IP-12 - Vulnerability Management PR.MA-2 - Patch Management DE.CM-1 - Network Monitoring RS.MI-2 - Incident Response
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy A.12.3.1 - Event logging A.12.4.1 - Event logging activation A.16.1.5 - Response to information security incidents
🟣 PCI DSS v4.0
6.2 - Security patches installation 6.5.1 - Injection flaws prevention 10.2 - User access logging 10.3 - Logging of access to audit trails
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
Atlassian:Confluence Server/Data Center
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS94.41%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2022-06-06
Published 2022-06-02
Source Feed cisa_kev
Views 1
🇸🇦 Saudi Risk Score
9.5
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited ransomware
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