📄 Description (English)
A cleartext transmission of sensitive information vulnerability in Synology Note Station Client before 2.2.4-703 allows man-in-the-middle attackers to obtain user credential.
🤖 AI Executive Summary
Synology Note Station Client versions before 2.2.4-703 transmit user credentials in cleartext, enabling man-in-the-middle attackers to intercept authentication data. This vulnerability affects organizations using Synology's note-taking solution without encryption for credential transmission. While no public exploit exists, the attack vector is straightforward and poses significant risk to credential compromise in unencrypted network environments.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: Jun 4, 2026 10:17
🇸🇦 Saudi Arabia Impact Assessment
Saudi government entities, financial institutions, and enterprises using Synology Note Station for sensitive document management face credential compromise risks. Banking sector (SAMA-regulated institutions) and government agencies (NCA oversight) are particularly vulnerable if using this client for internal communications or document storage. Healthcare organizations and energy sector companies managing confidential information through this platform could experience unauthorized access to sensitive data. The impact is heightened in organizations with weak network segmentation or those operating on shared networks without VPN enforcement.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare
Energy and Utilities
Telecommunications
Education
Enterprise IT Services
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all Synology Note Station Client installations and document current versions
2. Restrict network access to Note Station services using firewall rules and network segmentation
3. Enforce VPN usage for all remote access to Note Station Client
4. Monitor network traffic for cleartext credential transmission using IDS/IPS signatures
5. Implement network-level encryption (TLS/SSL inspection) at gateway level
Patching Guidance:
1. Upgrade to Synology Note Station Client version 2.2.4-703 or later immediately when available
2. Contact Synology support for patch availability timeline and interim security updates
3. Test patches in non-production environment before enterprise deployment
Compensating Controls:
1. Deploy network segmentation to isolate Note Station traffic
2. Implement mandatory VPN for all client connections
3. Use network access controls (NAC) to enforce encryption requirements
4. Deploy SSL/TLS inspection at network perimeter
5. Implement credential rotation policies for Note Station accounts
6. Monitor and log all Note Station authentication attempts
Detection Rules:
1. Alert on unencrypted HTTP connections to Note Station services
2. Monitor for cleartext credential patterns in network traffic
3. Track failed authentication attempts and unusual access patterns
4. Implement YARA rules for credential string detection in packet captures
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تثبيتات Synology Note Station Client وتوثيق الإصدارات الحالية
2. تقييد الوصول إلى خدمات Note Station باستخدام قواعد جدار الحماية وتقسيم الشبكة
3. فرض استخدام VPN لجميع الوصول عن بعد إلى Note Station Client
4. مراقبة حركة المرور على الشبكة للكشف عن نقل بيانات الاعتماد بصيغة نصية واضحة
5. تنفيذ التشفير على مستوى الشبكة (فحص TLS/SSL) على مستوى البوابة
إرشادات التصحيح:
1. الترقية إلى Synology Note Station Client الإصدار 2.2.4-703 أو أحدث فوراً عند توفره
2. التواصل مع دعم Synology للحصول على جدول زمني لتوفر التصحيح والتحديثات الأمنية المؤقتة
3. اختبار التصحيحات في بيئة غير الإنتاج قبل النشر على مستوى المؤسسة
الضوابط البديلة:
1. نشر تقسيم الشبكة لعزل حركة Note Station
2. فرض VPN إلزامي لجميع اتصالات العميل
3. استخدام ضوابط الوصول إلى الشبكة (NAC) لفرض متطلبات التشفير
4. نشر فحص SSL/TLS على محيط الشبكة
5. تنفيذ سياسات تدوير بيانات الاعتماد لحسابات Note Station
6. مراقبة وتسجيل جميع محاولات المصادقة في Note Station
قواعد الكشف:
1. تنبيهات على اتصالات HTTP غير المشفرة بخدمات Note Station
2. مراقبة أنماط بيانات الاعتماد بصيغة نصية واضحة في حركة المرور
3. تتبع محاولات المصادقة الفاشلة والأنماط غير العادية للوصول
4. تنفيذ قواعد YARA للكشف عن سلاسل بيانات الاعتماد في التقاط الحزم
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.10.1.1 - Cryptography policy and implementation
ECC 2024 A.10.2.1 - Secure communication protocols
ECC 2024 A.5.1.1 - Information security policies
ECC 2024 A.8.2.3 - User access management and authentication
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Information security governance
SAMA CSF PR.DS-2 - Data security and encryption
SAMA CSF PR.AC-1 - Access control and authentication
SAMA CSF DE.CM-1 - Detection and monitoring
🟡 ISO 27001:2022
ISO 27001:2022 A.5.14 - Cryptography
ISO 27001:2022 A.8.3 - Authentication
ISO 27001:2022 A.8.1 - User endpoint devices
ISO 27001:2022 A.13.1.1 - Network security perimeter
🟣 PCI DSS v4.0.1
PCI DSS 4.1 - Render PAN unreadable
PCI DSS 6.5.10 - Broken authentication
PCI DSS 2.2.4 - Configure system security parameters
📦 Affected Products / CPE 1 entries
synology:note_station_client