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Vulnerability DatabaseCVE-2022-23020

CVE-2022-23020: 
F5 BIG-IP Advanced Firewall Manager vulnerability analysis and mitigation

Overview

CVE-2022-23020 affects BIG-IP version 16.1.x before 16.1.2. The vulnerability is related to the 'Respond on Error' setting when enabled on the Request Logging profile and configured on a virtual server. Under these conditions, certain undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate (MITRE CVE).

Technical details

The vulnerability is classified as CWE-476 (NULL Pointer Dereference) according to the National Vulnerability Database (NVD CNA Status). The issue specifically affects the Traffic Management Microkernel (TMM) component when certain configuration conditions are met.

Impact

When exploited, this vulnerability can lead to a denial of service condition through the termination of the Traffic Management Microkernel (TMM), which is a critical component of the BIG-IP system (MITRE CVE).

Mitigation and workarounds

The vulnerability has been addressed in BIG-IP version 16.1.2. Users are advised to upgrade to this version or later to mitigate the vulnerability. It's worth noting that software versions which have reached End of Technical Support (EoTS) are not evaluated (MITRE CVE).

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
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CVE-2025-41414HIGH8.7
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CVE-2025-41399HIGH8.7
  • F5 BIG-IP Advanced Firewall ManagerF5 BIG-IP Advanced Firewall Manager
  • cpe:2.3:a:f5:big-ip_access_policy_manager
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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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