CVE-2023-48733 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

No data.

No data.

No data.

References

Link	Providers
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

History

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'}`

MITRE

Status: PUBLISHED

Assigner: canonical

Published: 2024-02-14T21:54:08.333Z

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

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

Link: CVE-2023-48733

Vulnrichment

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

NVD

Status : Awaiting Analysis

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

Modified: 2025-05-08T16:15:23.533

Link: CVE-2023-48733

Redhat

No data.

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