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High7.5F5

High [CVE-2023-22281] BIG-IP: On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of…

This high-severity F5 advisory covers CVE-2023-22281 affecting BIG-IP, AFM.

CVE-2023-22281 Published Feb 1, 2023Updated by vendor Jun 17, 2026
Related products & platforms
F5BIG-IP
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Summary

On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP AFM NAT policy with a destination NAT rule is configured on a FastL4 virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected versions
  • 17.0.x
  • 16.1.x
  • 15.1.x
  • 14.1.x
  • all versions

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • 17.0.0.2
  • 16.1.3.3
  • 15.1.8
  • 14.1.5.3

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: 17.0.0.2, 16.1.3.3, 15.1.8, 14.1.5.3. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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