CVE-2020-5872

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-30 · updated 2026-06-17

Description

On BIG-IP 14.1.0-14.1.2.3, 14.0.0-14.0.1, 13.1.0-13.1.3.1, and 12.1.0-12.1.4.1, when processing TLS traffic with hardware cryptographic acceleration enabled on platforms with Intel QAT hardware, the Traffic Management Microkernel (TMM) may stop responding and cause a failover event.

Affected products

F5 BIG-IP APM: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
BIG-IP: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 Big-Ip Analytics: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 Networks, Inc. BIG-IP (AAM): from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
BIG-IP ASM: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 BIG-IP DNS: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 Big-Ip Fraud Protection Service: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 Big-Ip Global Traffic Manager: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 Big-Ip Link Controller: from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 BIG-IP (LTM): from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3
F5 Networks, Inc. BIG-IP (PEM): from 12.1.0 through 12.1.4.1; from 13.1.0 through 13.1.3.1; from 14.0.0 through 14.0.1; from 14.1.0 through 14.1.2.3

References

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