CVE-2020-4887: IBM Aix

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM AIX 7.1, 7.2 and AIX VIOS 3.1 could allow a local user to exploit a vulnerability in the gencore user command to create arbitrary files in any directory. IBM X-Force ID: 190911.

Affected products

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

Published 2021-01-20. Last modified 2026-06-17.