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Vulnerability DatabaseCVE-2020-5862

CVE-2020-5862: 
F5 BIG-IP Advanced Firewall Manager vulnerability analysis and mitigation

Overview

On BIG-IP versions 15.1.0.4 through 15.1.3, when using the Data Plane Development Kit (DPDK)/Elastic Network Adapter (ENA) driver with BIG-IP on Amazon Web Services (AWS) systems, certain undisclosed requests could cause the Traffic Management Microkernel (TMM) to terminate (NVD CVE-2021).

Technical details

The vulnerability has been assigned a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a network-accessible vulnerability with low attack complexity, requiring no privileges or user interaction (NVD CVE-2021).

Impact

When successfully exploited, this vulnerability can lead to the termination of the Traffic Management Microkernel (TMM), potentially causing service disruption in affected BIG-IP systems running on AWS (NVD CVE-2021).

Mitigation and workarounds

F5 Networks has addressed this vulnerability in subsequent versions after 15.1.3. Organizations running affected versions should upgrade to a patched version to mitigate this security issue (F5 Advisory).

Additional resources

Source: This report was generated using AI

Related F5 BIG-IP Advanced Firewall Manager vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-41433HIGH8.7
  • F5 BIG-IP Advanced Firewall ManagerF5 BIG-IP Advanced Firewall Manager
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesMay 07, 2025
CVE-2025-41431HIGH8.7
  • F5 BIG-IP Advanced Firewall ManagerF5 BIG-IP Advanced Firewall Manager
  • cpe:2.3:a:f5:big-ip_advanced_firewall_manager
NoYesMay 07, 2025
CVE-2025-41414HIGH8.7
  • F5 BIG-IP Advanced Firewall ManagerF5 BIG-IP Advanced Firewall Manager
  • cpe:2.3:a:f5:big-ip_local_traffic_manager
NoYesMay 07, 2025
CVE-2025-41399HIGH8.7
  • F5 BIG-IP Advanced Firewall ManagerF5 BIG-IP Advanced Firewall Manager
  • cpe:2.3:a:f5:big-ip_application_security_manager
NoYesMay 07, 2025
CVE-2025-54500MEDIUM6.9
  • F5 BIG-IP Advanced Firewall ManagerF5 BIG-IP Advanced Firewall Manager
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesAug 13, 2025

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