CVE-2022-41694: BIG-IP and BIG-IQ mcpd vulnerability CVE-2022-41694

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-19 · updated 2026-06-17
Weakness: CWE-20

Description

In BIG-IP versions 16.1.x before 16.1.3, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5, and all versions of 13.1.x, and BIG-IQ versions 8.x before 8.2.0.1 and all versions of 7.x, when an SSL key is imported on a BIG-IP or BIG-IQ system, undisclosed input can cause MCPD to terminate.

Affected products

F5 BIG-IP APM: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
BIG-IP: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 Big-Ip Analytics: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 Networks, Inc. BIG-IP (AAM): from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
BIG-IP ASM: from 13.1.0 before 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 13.1.5, 14.1.5, 15.1.6.1, 16.1.3
F5 BIG-IP DNS: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 Big-Ip Fraud Protection Service: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 Big-Ip Global Traffic Manager: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 Big-Ip Link Controller: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 BIG-IP (LTM): from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3
F5 Networks, Inc. BIG-IP (PEM): from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5; from 15.1.0 before 15.1.6.1; from 16.1.0 before 16.1.3 — fixed in 14.1.5, 15.1.6.1, 16.1.3

How to fix

Upgrade to a fixed version: F5 BIG-IP APM 14.1.5, 15.1.6.1, 16.1.3; BIG-IP 14.1.5, 15.1.6.1, 16.1.3; F5 Big-Ip Analytics 14.1.5, 15.1.6.1, 16.1.3; F5 Networks, Inc. BIG-IP (AAM) 14.1.5, 15.1.6.1, 16.1.3; BIG-IP ASM 13.1.5, 14.1.5, 15.1.6.1, 16.1.3; F5 BIG-IP DNS 14.1.5, 15.1.6.1, 16.1.3; F5 Big-Ip Fraud Protection Service 14.1.5, 15.1.6.1, 16.1.3; F5 Big-Ip Global Traffic Manager 14.1.5, 15.1.6.1, 16.1.3; F5 Big-Ip Link Controller 14.1.5, 15.1.6.1, 16.1.3; F5 BIG-IP (LTM) 14.1.5, 15.1.6.1, 16.1.3; F5 Networks, Inc. BIG-IP (PEM) 14.1.5, 15.1.6.1, 16.1.3. Check the vendor advisory for mitigations.

References

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