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CVE-2023-48733

Publication date 14 February 2024

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.7 · Medium

Score breakdown

An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot.

Status

Package Ubuntu Release Status
edk2 24.10 oracular
Fixed 2023.11-7
24.04 LTS noble
Fixed 2023.11-7
23.10 mantic
Fixed 2023.05-2ubuntu0.1
23.04 lunar Ignored end of life, was needs-triage
22.04 LTS jammy
Fixed 2022.02-3ubuntu0.22.04.2
20.04 LTS focal
Fixed 0~20191122.bd85bf54-2ubuntu3.5
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Severity score breakdown

Parameter Value
Base score 6.7 · Medium
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H