CVE-2021-20562: IBM Sterling b2b Integrator

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 5.2.6.5_3 and 6.1.0.0 through 6.1.0.2 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: 199232.

Affected products

• IBM Sterling b2b Integrator: from 5.2.0.0, up to and including 5.2.6.5_3; from 6.1.0.0, up to and including 6.1.0.2

Published 2021-07-27. Last modified 2026-06-17.