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Vulnerability DatabaseCVE-2025-41433

CVE-2025-41433: 
F5 BIG-IP Virtual Edition (tier - best) vulnerability analysis and mitigation

Overview

A vulnerability identified as CVE-2025-41433 was disclosed on May 7, 2025, affecting F5 BIG-IP Virtual Edition systems. The issue occurs when a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway (ALG) profile is configured on a Message Routing virtual server, where undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate (NVD, Wiz).

Technical details

The vulnerability is classified as a NULL Pointer Dereference (CWE-476) and has been assigned a CVSS v4.0 base score of 8.7 (HIGH) with vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L. Additionally, it received a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NVD, Wiz).

Impact

The vulnerability primarily affects system availability by causing the Traffic Management Microkernel (TMM) to terminate when processing certain undisclosed requests, which can result in service disruption (Wiz).

Mitigation and workarounds

Software versions that have reached End of Technical Support (EoTS) are not evaluated for this vulnerability. Users are advised to refer to F5 Networks' official security advisory for specific mitigation steps and information about affected versions (NVD, Wiz).

Additional resources

Source: This report was generated using AI

Related F5 BIG-IP Virtual Edition (tier - best) vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-52585HIGH8.7
  • F5 BIG-IP Virtual Edition (tier - best)F5 BIG-IP Virtual Edition (tier - best)
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesAug 13, 2025
CVE-2025-46405HIGH8.7
  • F5 BIG-IP Virtual Edition (tier - best)F5 BIG-IP Virtual Edition (tier - best)
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesAug 13, 2025
CVE-2025-41433HIGH8.7
  • F5 BIG-IP Virtual Edition (tier - best)F5 BIG-IP Virtual Edition (tier - best)
  • 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_access_policy_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_advanced_firewall_manager
NoYesAug 13, 2025

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