VULNERABILITY INTELLIGENCE
CVE-2023-48733
CVSS score6.7 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2024-02-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-1188
Primary references
- security@ubuntu.com — Issue Tracking
- security@ubuntu.com — Issue Tracking
- security@ubuntu.com — Mailing List
- security@ubuntu.com — Third Party Advisory
- security@ubuntu.com — Mailing List
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List