CVE-2020-15705
MEDIUM6.4EPSS 0.02%Published: 7/29/2020Modified: 12/3/2025
Also known as:ALPINE-CVE-2020-15705
Description
GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.
Affected packages (1)
- Alpine/grubfrom 0, < 2.06-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |