CVE-2023-22418: BIG-IP APM virtual server vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-01 · updated 2026-06-17
Weakness: CWE-601

Description

On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.7, 14.1.x before 14.1.5.3, and all versions of 13.1.x, an open redirect vulnerability exists on virtual servers enabled with a BIG-IP APM access policy. This vulnerability allows an unauthenticated malicious attacker to build an open redirect URI. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

F5 BIG-IP APM: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
BIG-IP: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 Big-Ip Analytics: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 Networks, Inc. BIG-IP (AAM): from 13.1.0 through 13.1.5; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 15.1.7, 16.1.3.3, 17.0.0.2
BIG-IP ASM: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 Big-Ip Ddos Hybrid Defender: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3
F5 BIG-IP DNS: from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 Big-Ip Fraud Protection Service: from 13.1.0 through 13.1.5; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 15.1.7, 16.1.3.3, 17.0.0.2
F5 Big-Ip Link Controller: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 BIG-IP (LTM): from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 Networks, Inc. BIG-IP (PEM): from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.7; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2
F5 Big-Ip Ssl Orchestrator: from 13.1.0 through 13.1.5; from 14.1.0 before 14.1.5.3; from 15.1.0 before 15.1.8.1; from 16.1.0 before 16.1.3.3; from 17.0.0 before 17.0.0.2 — fixed in 14.1.5.3, 15.1.8.1, 16.1.3.3, 17.0.0.2

How to fix

Upgrade to a fixed version: F5 BIG-IP APM 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; BIG-IP 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 Big-Ip Analytics 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 Networks, Inc. BIG-IP (AAM) 15.1.7, 16.1.3.3, 17.0.0.2; BIG-IP ASM 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 Big-Ip Ddos Hybrid Defender 14.1.5.3, 15.1.7, 16.1.3.3; F5 BIG-IP DNS 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 Big-Ip Fraud Protection Service 15.1.7, 16.1.3.3, 17.0.0.2; F5 Big-Ip Link Controller 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 BIG-IP (LTM) 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 Networks, Inc. BIG-IP (PEM) 14.1.5.3, 15.1.7, 16.1.3.3, 17.0.0.2; F5 Big-Ip Ssl Orchestrator 14.1.5.3, 15.1.8.1, 16.1.3.3, 17.0.0.2. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-22418 or the next vulnerability affects your stack