CVE-2020-4945: IBM DB2

High severity, CVSS 8.1. EPSS: 1% chance of exploitation in the next 30 days.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5 could allow an authenticated user to overwrite arbirary files due to improper group permissions. IBM X-Force ID: 191945.

Affected products

• IBM DB2: version 11.5 only

Published 2021-06-24. Last modified 2026-06-17.