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High [CVE-2022-23011] On certain hardware BIG-IP platforms, in version 15.1.x before 15.1.4 and 14.1.x before 14.1.3, virtual servers

This high-severity F5 advisory covers CVE-2022-23011 affecting BIG-IP.

CVE-2022-23011 Published Jan 25, 2022Updated by vendor Jun 17, 2026
Related products & platforms
F5BIG-IP
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Summary

On certain hardware BIG-IP platforms, in version 15.1.x before 15.1.4 and 14.1.x before 14.1.3, virtual servers may stop responding while processing TCP traffic due to an issue in the SYN Cookie Protection feature. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected versions
  • 15.1.x
  • 14.1.x

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

Fixed versions
  • 15.1.4
  • 14.1.3

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

Mitigation

Upgrade to a fixed release: 15.1.4, 14.1.3. 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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