CVE-2021-3917: Red Hat Coreos-Installer

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.

Affected products

• Red Hat Coreos-Installer: before 0.10.0 (fixed in 0.10.0)

Published 2022-08-23. Last modified 2026-06-17.