CVE-2021-20577: IBM Cloud Pak For Security

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 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. IBM X-Force ID: 199281.

Affected products

• IBM Cloud Pak For Security: version 1.5.0.0 only; version 1.5.0.1 only

Published 2021-05-10. Last modified 2026-06-17.