CVE-2023-48733
- State
- Published
- Severity
- 6.7 Medium
- Published
- Feb 14, 2024
- Updated
- May 8, 2025
- Reserved
- Dec 5, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.7 Medium | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | canonical |
Weaknesses
- CWE-1188 Initialization of a Resource with an Insecure Default
Affected Products
| Product | Versions |
|---|---|
Ubuntu EDK IICanonical Ltd. |
|
References
- https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137issue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2023-48733issue-tracking
- https://www.openwall.com/lists/oss-security/2024/02/14/4mailing-list
- https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139issue-tracking
- https://lists.debian.org/debian-lts-announce/2024/06/msg00028.html
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