CVE-2020-15705
Published: Jul 29, 2020
Modified: Sep 17, 2024
CVSS v3.1
6.4
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.
| Vendor | Product | Versions |
|---|---|---|
Ubuntu | grub2 in Ubuntu | affected 20.04 LTS - < 2.04-1ubuntu26.1affected 18.04 LTS - < 2.02-2ubuntu8.16affected 16.04 LTS - < 2.02~beta2-36ubuntu3.26affected 14.04 ESM - < 2.02~beta2-9ubuntu1.20 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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