CVE-2023-40378: IBM I

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

IBM Directory Server for IBM i contains a local privilege escalation vulnerability. A malicious actor with command line access to the host operating system can elevate privileges to gain component access to the host operating system. IBM X-Force ID: 263584.

Affected products

• IBM I: version 7.2 only; version 7.3 only; version 7.4 only; version 7.5 only

Published 2023-10-15. Last modified 2026-06-17.