CVE-2021-3917
MEDIUM
5.5
CVSS Score
Published: August 23, 2022 at 07:03 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
1 product affected across 1 vendorCoreos Installer
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2021-3917x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2018478x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0cx_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/coreos/fedora-coreos-tracker/issues/889CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-276
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