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CVE-2023-49721

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 LXD. This allows an OS-resident attacker to bypass Secure Boot.

Status

Package Ubuntu Release Status
lxd 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Ignored

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