📄 Description (English)
Sentry 8.2.0 contains a remote code execution vulnerability that allows authenticated superusers to execute arbitrary commands by injecting malicious pickle-serialized objects through the audit log entry data parameter. Attackers can submit crafted POST requests to the admin audit log endpoint with base64-encoded compressed pickle payloads in the data field to achieve code execution with application privileges.
🤖 AI Executive Summary
CVE-2021-47935 is a critical remote code execution vulnerability in Sentry 8.2.0 affecting authenticated superusers who can inject malicious pickle-serialized objects through audit log endpoints. The vulnerability allows attackers with administrative privileges to execute arbitrary commands with application-level permissions, posing significant risk to organizations using Sentry for error tracking and monitoring. While no public exploit is currently available, the vulnerability requires immediate attention due to its high CVSS score of 8.8 and the severity of code execution capabilities.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 13, 2026 13:47
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using Sentry for application monitoring and error tracking—particularly in banking (SAMA-regulated institutions), government agencies (NCA oversight), telecommunications (STC, Mobily), and energy sectors (ARAMCO subsidiaries)—face significant risk. The vulnerability is particularly critical for financial institutions and government entities that rely on Sentry for security monitoring and compliance logging. Compromised audit logs could lead to undetected malicious activities, regulatory violations, and loss of system integrity. Healthcare organizations using Sentry for patient data systems could face HIPAA-equivalent compliance breaches under Saudi healthcare regulations.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Telecommunications
Energy and Utilities
Healthcare
Technology and Software Development
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.5
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all instances of Sentry 8.2.0 in your environment and document their criticality level
2. Restrict administrative access to Sentry audit log endpoints using network-level controls (WAF, firewall rules)
3. Implement strict authentication and authorization controls limiting superuser access to trusted personnel only
4. Enable comprehensive audit logging of all administrative activities in Sentry
5. Monitor for suspicious POST requests to audit log endpoints containing base64-encoded or compressed payloads
Patching Guidance:
1. Upgrade Sentry immediately to version 8.3.0 or later (verify patch availability with vendor)
2. If upgrade is not immediately possible, apply vendor-provided security patches
3. Test patches in non-production environments before deployment
Compensating Controls:
1. Implement network segmentation isolating Sentry administrative interfaces
2. Deploy Web Application Firewall (WAF) rules to block suspicious pickle serialization patterns
3. Use intrusion detection systems (IDS) to monitor for exploitation attempts
4. Implement principle of least privilege for superuser accounts
5. Conduct regular security audits of administrative access logs
Detection Rules:
1. Alert on POST requests to /admin/audit-log/ endpoints with base64-encoded payloads
2. Monitor for pickle deserialization patterns in application logs
3. Track unusual superuser authentication and authorization events
4. Flag compressed data payloads in audit log data parameters
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حدد جميع مثيلات Sentry 8.2.0 في بيئتك وقثق مستوى أهميتها
2. قيد الوصول الإداري إلى نقاط نهاية سجل التدقيق في Sentry باستخدام عناصر التحكم على مستوى الشبكة (WAF، قواعد جدار الحماية)
3. طبق عناصر تحكم صارمة في المصادقة والتفويض تحد من وصول المستخدم الممتاز إلى الموظفين الموثوقين فقط
4. فعّل تسجيل التدقيق الشامل لجميع الأنشطة الإدارية في Sentry
5. راقب طلبات POST المريبة إلى نقاط نهاية سجل التدقيق التي تحتوي على حمولات مشفرة بـ base64 أو مضغوطة
إرشادات التصحيح:
1. قم بترقية Sentry فوراً إلى الإصدار 8.3.0 أو أحدث (تحقق من توفر التصحيح مع البائع)
2. إذا لم يكن الترقية ممكنة على الفور، طبق التصحيحات الأمنية المقدمة من البائع
3. اختبر التصحيحات في بيئات غير الإنتاج قبل النشر
عناصر التحكم البديلة:
1. طبق تقسيم الشبكة لعزل واجهات Sentry الإدارية
2. نشر قواعد جدار تطبيقات الويب (WAF) لحظر أنماط تسلسل pickle المريبة
3. استخدم أنظمة كشف الاختراق (IDS) لمراقبة محاولات الاستغلال
4. طبق مبدأ أقل امتياز لحسابات المستخدم الممتاز
5. أجرِ عمليات تدقيق أمان منتظمة لسجلات الوصول الإداري
قواعد الكشف:
1. تنبيه على طلبات POST إلى نقاط نهاية /admin/audit-log/ مع حمولات مشفرة بـ base64
2. راقب أنماط فك تسلسل pickle في سجلات التطبيق
3. تتبع أحداث المصادقة والتفويض غير العادية للمستخدم الممتاز
4. علّم حمولات البيانات المضغوطة في معاملات بيانات سجل التدقيق
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies
ECC 2024 A.5.2.1 - User Registration and Access Rights Management
ECC 2024 A.5.3.1 - Management of Privileged Access Rights
ECC 2024 A.8.2.1 - Malware Protection
ECC 2024 A.12.4.1 - Event Logging
ECC 2024 A.12.4.3 - Administrator and Operator Logs
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Software Inventory
SAMA CSF PR.AC-1 - Access Control Policy
SAMA CSF PR.AC-4 - Access Rights Management
SAMA CSF DE.CM-1 - Network Monitoring
SAMA CSF DE.AE-1 - Audit Logs
🟡 ISO 27001:2022
ISO 27001:2022 A.5.3 - Segregation of Duties
ISO 27001:2022 A.8.1 - User Endpoint Devices
ISO 27001:2022 A.8.2 - Privileged Access Rights
ISO 27001:2022 A.8.3 - Information Access Restriction
ISO 27001:2022 A.12.4 - Logging
🟣 PCI DSS v4.0.1
PCI DSS 2.1 - Configuration Standards
PCI DSS 6.2 - Security Patches
PCI DSS 7.1 - Limit Access to System Components
PCI DSS 10.2 - Implement Automated Audit Trails
🔗 References & Sources 3
📦 Affected Products / CPE 1 entries
sentry:sentry:8.2.0