CVEvulnerability
CVE-2023-49721
6.7 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-02-14
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-276
Description
An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.
Affected configurations
• canonical lxd (>= 5.0.0 < 5.21.0)
• tianocore edk2 (<= 2023.11-8)
Related
Weakness · CWE (1)
- CWE-276 Incorrect Default Permissions weakness
References
- https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 Issue Tracking
- https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2023-48733 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2024/02/14/4 Mailing List
- https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 Issue Tracking
- https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2023-48733 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2024/02/14/4 Mailing List