CVE-2021-39056: IBM I

Medium severity, CVSS 6.5. EPSS: 1.3% chance of exploitation in the next 30 days.

The IBM i 7.1, 7.2, 7.3, and 7.4 Extended Dynamic Remote SQL server (EDRSQL) could allow a remote authenticated user to send a specially crafted request and cause a denial of service. IBM X-Force ID: 214537.

Affected products

• IBM I: version 7.1 only; version 7.2 only; version 7.3 only; version 7.4 only

Published 2022-01-13. Last modified 2026-06-17.