CVE-2022-23012

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-25 · updated 2026-06-17
Weakness: CWE-415

Description

On BIG-IP versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5, when the HTTP/2 profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

F5 BIG-IP APM: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
BIG-IP: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 Big-Ip Analytics: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 Networks, Inc. BIG-IP (AAM): from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
BIG-IP ASM: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 BIG-IP DNS: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 Big-Ip Fraud Protection Service: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 Big-Ip Global Traffic Manager: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 Big-Ip Link Controller: from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 BIG-IP (LTM): from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1
F5 Networks, Inc. BIG-IP (PEM): from 14.1.0 before 14.1.4.5; from 15.1.0 before 15.1.4.1 — fixed in 14.1.4.5, 15.1.4.1

How to fix

Upgrade to a fixed version: F5 BIG-IP APM 14.1.4.5, 15.1.4.1; BIG-IP 14.1.4.5, 15.1.4.1; F5 Big-Ip Analytics 14.1.4.5, 15.1.4.1; F5 Networks, Inc. BIG-IP (AAM) 14.1.4.5, 15.1.4.1; BIG-IP ASM 14.1.4.5, 15.1.4.1; F5 BIG-IP DNS 14.1.4.5, 15.1.4.1; F5 Big-Ip Fraud Protection Service 14.1.4.5, 15.1.4.1; F5 Big-Ip Global Traffic Manager 14.1.4.5, 15.1.4.1; F5 Big-Ip Link Controller 14.1.4.5, 15.1.4.1; F5 BIG-IP (LTM) 14.1.4.5, 15.1.4.1; F5 Networks, Inc. BIG-IP (PEM) 14.1.4.5, 15.1.4.1. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-23012 or the next vulnerability affects your stack