CVE-2022-23027

Severity: medium (CVSS 5.3 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-697

Description

On BIG-IP versions 15.1.x before 15.1.4, 14.1.x before 14.1.4.4, 13.1.x beginning in 13.1.3.6, 12.1.5.3-12.1.6, and 11.6.5.2, when a FastL4 profile and an HTTP, FIX, and/or hash persistence profile are configured on the same virtual server, undisclosed requests can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

F5 BIG-IP APM: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
BIG-IP: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Advanced Web Application Firewall: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Analytics: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Networks, Inc. BIG-IP (AAM): from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
BIG-IP ASM: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Ddos Hybrid Defender: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 BIG-IP DNS: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Fraud Protection Service: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Global Traffic Manager: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Link Controller: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 BIG-IP (LTM): from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Networks, Inc. BIG-IP (PEM): from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3
F5 Big-Ip Ssl Orchestrator: from 12.1.5.3 through 12.1.6; from 13.1.3.6 through 13.1.4; from 14.1.0 through 14.1.4; from 15.1.0 through 15.1.3

References

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