CVE-2021-20553: IBM Sterling b2b Integrator

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Sterling B2B Integrator Standard Edition 5.2.0.0 through 6.1.1.0 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 Sterling b2b Integrator: from 5.2.0.0, up to and including 6.1.1.0

Published 2024-12-19. Last modified 2026-06-17.