CVE-2021-20392: IBM Qradar User Behavior Analytics

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

IBM QRadar User Behavior Analytics 1.0.0 through 4.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Affected products

• IBM Qradar User Behavior Analytics: from 1.0.0, before 4.1.0 (fixed in 4.1.0)

Published 2021-05-14. Last modified 2026-06-17.