CVE-2021-38991: IBM Aix

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.

Affected products

• IBM Aix: version 7.0 only; version 7.1 only; version 7.2 only
• IBM Vios: version 3.1 only

Published 2022-01-11. Last modified 2026-06-17.