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Medium6.5F5

Medium [CVE-2021-23055] On version 2.x before 2.0.3 and 1.x before 1.12.3, the command line restriction that controls snippet use with NGINX Ingress…

This medium-severity F5 advisory covers CVE-2021-23055 affecting NGINX.

CVE-2021-23055 Published Apr 21, 2022Updated by vendor Jun 17, 2026
Affected products & platforms
F5NGINX
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Summary

On version 2.x before 2.0.3 and 1.x before 1.12.3, the command line restriction that controls snippet use with NGINX Ingress Controller does not apply to Ingress objects. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected versions
  • 2.0.3
  • 1.12.3

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

Fixed versions
  • 2.0.3
  • 1.12.3

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

Mitigation

Upgrade to a fixed release: 2.0.3, 1.12.3. 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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