CVE-2018-5512: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days.

On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.

Affected products

• F5 BIG-IP Access Policy Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Advanced Firewall Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Analytics: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Application Acceleration Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Application Security Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Domain Name System: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Edge Gateway: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Global Traffic Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Link Controller: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Local Traffic Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Policy Enforcement Manager: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Webaccelerator: from 13.1.0, up to and including 13.1.0.5
• F5 BIG-IP Websafe: from 13.1.0, up to and including 13.1.0.5

Published 2018-05-02. Last modified 2026-06-17.