Vulnerability in Red Hat Coreos-Installer
CVE-2021-3917
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.
EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Redhat Coreos-installer
- N/a Coreos-installer — versions Fixed in coreos-installer 0.10.0
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3917?
- CVE-2021-3917 is a medium-severity vulnerability in Red Hat Coreos-Installer, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2022-08-23.
- How severe is CVE-2021-3917?
- Medium severity. CVSS v3 base score is 5.5 out of 10.