CVE-2018-15322: F5 BIG-IP Access Policy Manager

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.2.1-11.5.6, BIG-IQ Centralized Management 6.0.0-6.0.1, 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, iWorkflow 2.0.1-2.3.0, or Enterprise Manager 3.1.1 a BIG-IP user granted with tmsh access may cause the BIG-IP system to experience denial-of-service (DoS) when the BIG-IP user uses the tmsh utility to run the edit cli preference command and proceeds to save the changes to another filename repeatedly. This action utilises storage space on the /var partition and when performed repeatedly causes the /var partition to be full.

Affected products

F5 BIG-IP Access Policy Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Advanced Firewall Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Analytics: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Application Acceleration Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Domain Name System: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Edge Gateway: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Fraud Protection Service: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Global Traffic Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Link Controller: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Local Traffic Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Policy Enforcement Manager: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Protocol Security Module: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IP Webaccelerator: from 11.2.1, up to and including 11.5.6; from 11.6.0, up to and including 11.6.3.2; from 12.1.0, up to and including 12.1.3.5; from 13.0.0, up to and including 13.1.0.7; from 14.0.0, up to and including 14.0.0.2
F5 BIG-IQ Centralized Management: from 5.0.0, up to and including 5.4.0; from 6.0.0, up to and including 6.0.1; version 4.6.0 only
F5 BIG-IQ Cloud And Orchestration: version 1.0.0 only
F5 Enterprise Manager: version 3.1.1 only
F5 Iworkflow: from 2.0.1, up to and including 2.3.0

Published 2018-10-31. Last modified 2026-06-17.