CVE-2021-20484: IBM Sterling File Gateway

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM Sterling File Gateway 2.2.0.0 through 6.1.0.3 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: 197666.

Affected products

• IBM Sterling File Gateway: from 2.2.0.0, up to and including 6.1.0.3

Published 2021-09-23. Last modified 2026-06-17.