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High severity7.5NVD Advisory· Published May 10, 2021· Updated Jun 17, 2026

CVE-2021-23009

CVE-2021-23009

Description

On BIG-IP version 16.0.x before 16.0.1.1 and 15.1.x before 15.1.3, malformed HTTP/2 requests may cause an infinite loop which causes a Denial of Service for Data Plane traffic. TMM takes the configured HA action when the TMM process is aborted. There is no control plane exposure, this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

2
  • F5, Inc./Big IPcpe-rescue2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: <16.0.1.1, <15.1.3

Patches

Vulnerability mechanics

References

1

News mentions

0

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