CVE-2021-20563: IBM Sterling File Gateway

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

IBM Sterling File Gateway 2.2.0.0 through 6.1.0.3 could allow a remote authenciated user to obtain sensitive information. By sending a specially crafted request, the user could disclose a valid filepath on the server which could be used in further attacks against the system. IBM X-Force ID: 199234.

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.