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Vulnerabilities

CVE-2026-20151

High
A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated,
CWE-201 — Weakness Type
Published: Apr 1, 2026  ·  Modified: Apr 8, 2026  ·  Source: NVD
CVSS v3
7.3
🔗 NVD Official
📄 Description (English)

A vulnerability in the web interface of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an authenticated, remote attacker to elevate privileges on an affected system.

This vulnerability is due to the improper transmission of sensitive user information. An attacker could exploit this vulnerability by sending a crafted message to an affected Cisco SSM On-Prem host and retrieving session credentials from subsequent status messages. A successful exploit could allow the attacker to elevate privileges on the affected system from low to administrative.
To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of System User.
Note: This vulnerability exposes information only about users who logged in to the Cisco SSM On-Prem host using the web interface and who are currently logged in. SSH sessions are not affected.

🤖 AI Executive Summary

CVE-2026-20151 is a privilege escalation vulnerability in Cisco Smart Software Manager On-Prem affecting authenticated users who can elevate from System User to administrative privileges through improper credential transmission. With a CVSS score of 7.3 and no patch currently available, this poses a significant risk to organizations managing software licenses through SSM On-Prem. The vulnerability requires valid credentials but enables complete system compromise once exploited.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 5, 2026 14:10
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using Cisco SSM On-Prem for software license management face significant risk, particularly in: (1) Banking sector (SAMA-regulated institutions) managing critical software infrastructure; (2) Government agencies (NCA oversight) using centralized license management; (3) Telecommunications operators (STC, Mobily) managing large software deployments; (4) Energy sector (ARAMCO, utilities) relying on licensed software for SCADA/ICS systems; (5) Healthcare institutions managing medical software licenses. The vulnerability enables lateral movement and full system compromise, potentially affecting supply chain integrity and regulatory compliance.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Energy and Utilities Healthcare Manufacturing Education
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all Cisco SSM On-Prem instances in your environment and document current user accounts with System User or higher roles
2. Restrict network access to SSM On-Prem web interface using firewall rules and VPN requirements
3. Implement IP whitelisting for administrative access only
4. Disable web interface access for non-administrative users where possible

Compensating Controls (until patch available):
5. Enforce multi-factor authentication (MFA) for all SSM On-Prem web interface access
6. Implement session timeout policies (15-30 minutes maximum)
7. Monitor and log all web interface authentication attempts and privilege escalation attempts
8. Conduct immediate audit of all currently logged-in users and their session credentials
9. Force re-authentication of all active sessions
10. Implement network segmentation isolating SSM On-Prem from general user networks

Detection Rules:
11. Alert on any privilege escalation attempts from System User to Administrator role
12. Monitor for unusual credential transmission patterns in HTTP/HTTPS traffic
13. Track failed authentication attempts followed by successful administrative access
14. Monitor for SSH bypass attempts (note: SSH sessions unaffected, but may indicate reconnaissance)

Patching:
15. Subscribe to Cisco security advisories for patch availability
16. Prepare change management process for immediate deployment upon patch release
17. Test patches in non-production environment before deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حدد جميع مثيلات Cisco SSM On-Prem في بيئتك وقثق حسابات المستخدمين الحالية بأدوار System User أو أعلى
2. قيد الوصول إلى واجهة الويب SSM On-Prem باستخدام قواعد جدار الحماية ومتطلبات VPN
3. طبق قائمة بيضاء للعناوين IP للوصول الإداري فقط
4. عطل وصول واجهة الويب للمستخدمين غير الإداريين حيث أمكن

الضوابط التعويضية (حتى توفر التصحيح):
5. فرض المصادقة متعددة العوامل (MFA) لجميع عمليات الوصول إلى واجهة الويب SSM On-Prem
6. طبق سياسات انتهاء الجلسة (15-30 دقيقة كحد أقصى)
7. راقب وسجل جميع محاولات المصادقة وتصعيد الامتيازات على واجهة الويب
8. أجر تدقيق فوري لجميع المستخدمين المسجلين حالياً وبيانات اعتماد جلساتهم
9. فرض إعادة المصادقة لجميع الجلسات النشطة
10. طبق تقسيم الشبكة لعزل SSM On-Prem عن شبكات المستخدمين العامة

قواعد الكشف:
11. تنبيه عند أي محاولات تصعيد امتيازات من System User إلى دور Administrator
12. راقب أنماط نقل بيانات الاعتماد غير العادية في حركة HTTP/HTTPS
13. تتبع محاولات المصادقة الفاشلة متبوعة بالوصول الإداري الناجح
14. راقب محاولات تجاوز SSH (ملاحظة: جلسات SSH غير متأثرة، لكن قد تشير إلى استطلاع)

التصحيح:
15. اشترك في تنبيهات أمان Cisco لتوفر التصحيح
16. جهز عملية إدارة التغيير للنشر الفوري عند توفر التصحيح
17. اختبر التصحيحات في بيئة غير الإنتاج قبل النشر
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.9.2.1 - User access management and authentication ECC 2024 A.9.4.3 - Password management and credential protection ECC 2024 A.8.2.3 - Segregation of duties and privilege management ECC 2024 A.12.4.1 - Event logging and monitoring
🔵 SAMA CSF
SAMA CSF ID.AM-1 - Asset management and inventory SAMA CSF PR.AC-1 - Access control and authentication SAMA CSF PR.AC-4 - Access rights and privilege management SAMA CSF DE.CM-1 - Detection and monitoring capabilities
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access control ISO 27001:2022 A.5.16 - Authentication ISO 27001:2022 A.5.17 - Access rights ISO 27001:2022 A.8.15 - Logging and monitoring
🟣 PCI DSS v4.0.1
PCI DSS 2.1 - Default security parameters PCI DSS 6.5.10 - Broken authentication PCI DSS 7.1 - Limit access to system components PCI DSS 10.2 - Implement automated audit trails
📊 CVSS Score
7.3
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionR — Required
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.3
CWECWE-201
EPSS0.04%
Exploit No
Patch ✗ No
Published 2026-04-01
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-201
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