CVE-2023-5342

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

14/08/2025

Last modified:

15/08/2025

Description

The Fedora Secure Boot CA certificate shipped with shim in Fedora was expired which could lead to old or invalid signed boot components being loaded.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.10 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x

4.10

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://access.redhat.com/security/cve/CVE-2023-5342
https://bodhi.fedoraproject.org/updates/FEDORA-2024-2aa28a4cfc
https://bugzilla.redhat.com/show_bug.cgi?id=2198977
https://bugzilla.redhat.com/show_bug.cgi?id=2388707