CVE-2023-5342: Shim: expired secure boot certificate
Red Hat · Red Hat Enterprise Linux 10
Vendor fix available · Affected: Red Hat Enterprise Linux 10 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 0% of scored CVEs
DescriptionCVE.org
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.
Affected products5
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- shim-x64from 15.6-2 before 15.8-2
- Red Hat · Red Hat Enterprise Linux 10Versions not stated
- Red Hat · Red Hat Enterprise Linux 7Versions not stated
- Red Hat · Red Hat Enterprise Linux 8Versions not stated
- Red Hat · Red Hat Enterprise Linux 9Versions not stated
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Red Hat
- Published
- August 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2023-5342 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.