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High severity7.5NVD Advisory· Published Sep 14, 2021· Updated Jun 17, 2026

CVE-2021-23032

CVE-2021-23032

Description

On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

2
  • F5/BIG-IP DNSdescription
  • F5, Inc./Big IPllm-fuzzy
    Range: <16.1.0, <15.1.3.1, <14.1.4.4, all 13.1.x, all 12.1.x

Patches

Vulnerability mechanics

References

1

News mentions

0

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