CVE-2023-5342

shim: Expired secure boot certificate

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Severity

Low

Red Hat Product Security

4.1

CVSS 3.1

Review impact separately from score.

Published · March 14, 2024

Updated · June 30, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.1
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

CWE-324 · Use of a Key Past its Expiration Date