CVE-2023-48733

An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2

Medium · published February 14, 2024

CVSS v3.1
6.7
EPSS
0%
Percentile
16.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00256 · 16.3th percentile
Published
2024-02-14T21:54Z
EPSS history
Timeline
  • 14 FEB 21:54Z
    An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2
    cvelistv5