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CVE record · CVE-2023-5342

Shim: expired secure boot certificate

CVSS 4.1 MediumEPSS 0.0009 · 1st percentile

Published by the CVE Program (CNA: fedora) at 15 Aug 2025, 12:06 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Not given Not given Package name: shim-x64 https://koji.fedoraproject.org/koji/packageinfo?packageID=14502
  • affected 15.6-2 to before 15.8-2 rpm
Other versions: unaffected
Red Hat Red Hat Enterprise Linux 10 Package name: shim https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 7 Package name: shim https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 8 Package name: shim https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Red Hat Red Hat Enterprise Linux 9 Package name: shim https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: unaffected
Identifiers
CVE-2023-5342
CNA
fedora
Weakness (CWE)
CWE-324
Tags
Published
15 Aug 2025
Updated
15 Aug 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.1 Medium 3.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N CNA (fedora)
  • CISA KEV Not listed.
  • EPSS 0.0009, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 Aug 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.