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CVE-2023-5342
Shim: expired secure boot certificate
Medium4.1EPSS 0.09%
- Published
- Updated
- Reserved
- Assigned by
- fedora
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| fedoraCNA (assigner) | 3.1 | Medium4.1 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVDNVD · Deferred | 3.1 | Medium4.1 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.09% · top 99% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.1.
Weakness
Affected products
shim-x64
- affected 15.6-2 – < 15.8-2
Red Hat · Red Hat Enterprise Linux 10
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 7
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 8
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
References (4)
- https://access.redhat.com/security/cve/CVE-2023-5342 (opens in a new tab)vdb-entryx_refsource_REDHAT
- https://bodhi.fedoraproject.org/updates/FEDORA-2024-2aa28a4cfc (opens in a new tab)
- https://bugzilla.redhat.com/show_bug.cgi?id=2198977 (opens in a new tab)
- RHBZ#2388707 (opens in a new tab)issue-trackingx_refsource_REDHAT
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-5342)Record last updated .