Description
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.
Published: 2024-02-14
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3852-1 edk2 security update
Debian DSA Debian DSA DSA-5624-1 edk2 security update
EUVD EUVD EUVD-2023-52766 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.
Ubuntu USN Ubuntu USN USN-6638-1 EDK II vulnerabilities
History

Tue, 26 Aug 2025 17:30:00 +0000

Type Values Removed Values Added
First Time appeared Canonical
Canonical lxd
Debian
Debian debian Linux
Tianocore
Tianocore edk2
CPEs cpe:2.3:a:canonical:lxd:5.0:candidate:*:*:*:*:*:*
cpe:2.3:a:canonical:lxd:5.21:candidate:*:*:*:*:*:*
cpe:2.3:a:canonical:lxd:5.21:edge:*:*:*:*:*:*
cpe:2.3:a:tianocore:edk2:*:-:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Vendors & Products Canonical
Canonical lxd
Debian
Debian debian Linux
Tianocore
Tianocore edk2

Thu, 08 May 2025 16:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1188
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2025-05-08T15:18:23.545Z

Reserved: 2023-12-05T19:36:34.710Z

Link: CVE-2023-48733

cve-icon Vulnrichment

Updated: 2024-08-02T21:37:54.670Z

cve-icon NVD

Status : Analyzed

Published: 2024-02-14T22:15:47.320

Modified: 2025-08-26T17:19:40.457

Link: CVE-2023-48733

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses