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Vulnerabilities

CVE-2026-33771

High
CWE-521 — Weakness Type
Published: Apr 9, 2026  ·  Modified: Apr 16, 2026  ·  Source: NVD
CVSS v3
7.4
🔗 NVD Official
📄 Description (English)

A Weak Password Requirements vulnerability in the password management function of Juniper Networks CTP OS might allow an unauthenticated, network-based attacker to exploit weak passwords of local accounts and potentially take full control of the device.

The password management menu enables the administrator to set password complexity requirements, but these settings are not saved. The issue can be verified with the menu option "Show password requirements". Failure to enforce the intended requirements can lead to weak passwords being used, which significantly increases the likelihood that an attacker can guess these and subsequently attain unauthorized access.



This issue affects CTP OS versions 9.2R1 and 9.2R2.

🤖 AI Executive Summary

Juniper Networks CTP OS versions 9.2R1 and 9.2R2 contain a critical weakness in password management where configured complexity requirements are not persisted, allowing administrators to unknowingly deploy systems with weak passwords. An unauthenticated network attacker can exploit this vulnerability to guess weak local account credentials and gain full device control. This poses significant risk to organizations relying on CTP OS for critical network infrastructure, particularly in Saudi Arabia's banking and government sectors.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 4, 2026 19:55
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses critical risk to Saudi banking institutions (SAMA-regulated banks), government agencies (NCA oversight), and critical infrastructure operators. CTP OS devices are commonly deployed in network core infrastructure for telecommunications (STC, Mobily), energy sector (Saudi Aramco), and financial institutions. The inability to enforce password complexity requirements could lead to unauthorized administrative access, enabling attackers to compromise network integrity, intercept sensitive communications, and potentially disrupt critical services. Government and SAMA-regulated entities face heightened compliance violations under NCA ECC 2024 and SAMA CSF frameworks.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Energy and Utilities Healthcare Critical Infrastructure
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Audit all CTP OS 9.2R1 and 9.2R2 deployments to identify affected systems
2. Verify current password complexity settings using 'Show password requirements' command
3. Document all local accounts and their password strength status
4. Implement network segmentation to restrict administrative access to CTP OS devices
5. Enable logging and monitoring of all authentication attempts to CTP OS devices

COMPENSATING CONTROLS (until patch available):
1. Implement mandatory password changes every 30 days for all local accounts
2. Enforce minimum 16-character passwords with complexity requirements at OS level
3. Deploy multi-factor authentication (MFA) for administrative access where supported
4. Restrict administrative access to specific IP ranges/VLANs
5. Implement intrusion detection rules to detect brute-force password attacks
6. Deploy SIEM monitoring with alerts for failed authentication attempts (threshold: >5 failures in 10 minutes)

DETECTION RULES:
1. Monitor for repeated failed login attempts to CTP OS devices
2. Alert on successful logins from unusual IP addresses or times
3. Track changes to password policy settings that don't persist
4. Monitor for administrative command execution from non-standard accounts

PATCHING:
1. Contact Juniper Networks for patch availability timeline
2. Prepare change management procedures for CTP OS upgrades
3. Test patches in isolated lab environment before production deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع نشرات CTP OS 9.2R1 و9.2R2 لتحديد الأنظمة المتأثرة
2. التحقق من إعدادات تعقيد كلمة المرور الحالية باستخدام أمر 'Show password requirements'
3. توثيق جميع الحسابات المحلية وحالة قوة كلمات المرور الخاصة بها
4. تنفيذ تقسيم الشبكة لتقييد الوصول الإداري إلى أجهزة CTP OS
5. تفعيل تسجيل ومراقبة جميع محاولات المصادقة على أجهزة CTP OS

الضوابط التعويضية (حتى توفر التصحيح):
1. فرض تغيير كلمات المرور الإلزامية كل 30 يوماً لجميع الحسابات المحلية
2. فرض كلمات مرور بحد أدنى 16 حرفاً مع متطلبات التعقيد على مستوى نظام التشغيل
3. نشر المصادقة متعددة العوامل (MFA) للوصول الإداري حيث يكون مدعوماً
4. تقييد الوصول الإداري إلى نطاقات IP/VLANs محددة
5. تنفيذ قواعد كشف التسلل للكشف عن هجمات القوة الغاشمة على كلمات المرور
6. نشر مراقبة SIEM مع تنبيهات لمحاولات المصادقة الفاشلة (الحد الأدنى: >5 فشل في 10 دقائق)

قواعد الكشف:
1. مراقبة محاولات تسجيل الدخول الفاشلة المتكررة على أجهزة CTP OS
2. التنبيه على عمليات تسجيل الدخول الناجحة من عناوين IP أو أوقات غير عادية
3. تتبع التغييرات في إعدادات سياسة كلمات المرور التي لا تستمر
4. مراقبة تنفيذ الأوامر الإدارية من حسابات غير قياسية

التصحيح:
1. الاتصال بـ Juniper Networks للحصول على الجدول الزمني لتوفر التصحيح
2. تحضير إجراءات إدارة التغيير لترقيات CTP OS
3. اختبار التصحيحات في بيئة معملية معزولة قبل نشرها في الإنتاج
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Password policy and management A.5.2.1 - User access management and authentication A.5.3.1 - Access control and privilege management A.8.2.1 - User identification and authentication A.8.2.3 - Password management systems
🔵 SAMA CSF
ID.AM-1 - Asset management and inventory PR.AC-1 - Access control policy and procedures PR.AC-6 - Access control for privileged accounts DE.CM-1 - Detection and monitoring of unauthorized access
🟡 ISO 27001:2022
A.5.1.1 - Policies for the use of information and other associated assets A.5.2.1 - User registration and de-registration A.5.3.1 - Allocation of access rights A.5.4.1 - Password management A.8.2.1 - User identification and authentication A.8.2.3 - Password management
🟣 PCI DSS v4.0.1
Requirement 2.1 - Default passwords changed Requirement 8.2.1 - Password strength requirements Requirement 8.2.3 - Password management Requirement 8.5.1 - Access control for administrative functions
📊 CVSS Score
7.4
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack VectorN — None / Network
Attack ComplexityH — High
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.4
CWECWE-521
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-04-09
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
8.2
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
CWE-521
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