CVE-2020-4909: IBM Cloud Pak System

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM Cloud Pak System 2.3 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. IBM X-Force ID: 191273.

Affected products

• IBM Cloud Pak System: from 2.3.0.0, before 2.3.3.3 (fixed in 2.3.3.3)

Published 2021-01-04. Last modified 2026-06-17.