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High7.5F5

High [CVE-2021-23050] On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all…

This high-severity F5 advisory covers CVE-2021-23050 affecting BIG-IP, NGINX, Advanced WAF.

CVE-2021-23050 Published Sep 14, 2021Updated by vendor Jun 17, 2026
Affected products & platforms
F5BIG-IPNGINX
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Summary

On BIG-IP Advanced WAF and BIG-IP ASM version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3 and NGINX App Protect on all versions before 3.5.0, when a cross-site request forgery (CSRF)-enabled policy is configured on a virtual server, an undisclosed HTML response may cause the bd process to terminate.

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

Affected versions
  • 16.0.x
  • 15.1.x
  • all versions

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

Fixed versions
  • 16.0.1.2
  • 15.1.3
  • 3.5.0

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

Mitigation

Upgrade to a fixed release: 16.0.1.2, 15.1.3, 3.5.0. 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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