CVE-2019-6599: F5 BIG-IP Access Policy Manager

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

In BIG-IP 11.6.1-11.6.3.2 or 11.5.1-11.5.8, or Enterprise Manager 3.1.1, improper escaping of values in an undisclosed page of the configuration utility may result with an improper handling on the JSON response when it is injected by a malicious script via a remote cross-site scripting (XSS) attack.

Affected products

• F5 BIG-IP Access Policy Manager: from 11.5.1, up to and including 11.5.8; from 11.6.1, up to and including 11.6.3

Published 2019-03-13. Last modified 2026-06-17.