CVE-2023-48733

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-48733
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.

6.7 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html
https://nvd.nist.gov/vuln/detail/CVE-2023-48733
https://www.openwall.com/lists/oss-security/2024/02/14/4
https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137
https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139
https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html
https://nvd.nist.gov/vuln/detail/CVE-2023-48733
https://www.openwall.com/lists/oss-security/2024/02/14/4
Configurations

No configuration.

History

08 May 2025, 16:15

Type Values Removed Values Added
CWE CWE-1188

21 Nov 2024, 08:32

Type Values Removed Values Added
References () https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 - () https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 -
References () https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 - () https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 -
References () https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html - () https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html -
References () https://nvd.nist.gov/vuln/detail/CVE-2023-48733 - () https://nvd.nist.gov/vuln/detail/CVE-2023-48733 -
References () https://www.openwall.com/lists/oss-security/2024/02/14/4 - () https://www.openwall.com/lists/oss-security/2024/02/14/4 -

30 Jun 2024, 23:15

Type Values Removed Values Added
Summary
  • (es) Un valor predeterminado inseguro para permitir UEFI Shell en EDK2 se dejó habilitado en EDK2 de Ubuntu. Esto permite que un atacante residente en el sistema operativo omita el arranque seguro.
References
  • () https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html -

14 Feb 2024, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-14 22:15

Updated : 2025-05-08 16:15

NVD link : CVE-2023-48733

Mitre link : CVE-2023-48733

CVE.ORG link : CVE-2023-48733

JSON object : View

Products Affected

No product.

CWE
CWE-1188

Initialization of a Resource with an Insecure Default