CVE-2020-4259: IBM Sterling File Gateway

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM Sterling File Gateway 2.2.0.0 through 6.0.3.1 could allow an authenticated user could manipulate cookie information and remove or add modules from the cookie to access functionality not authorized to. IBM X-Force ID: 175638.

Affected products

• IBM Sterling File Gateway: from 2.2.0.0, up to and including 2.2.6.5_1; from 6.0.0.0, up to and including 6.0.3.1

Published 2020-05-14. Last modified 2026-06-17.