CVE-2023-49721

CVE-2023-49721

CVSS 6.7 MEDIUMEPSS 0.2%CWE-276

An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Canonical Ltd. · LXD

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References

https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 https://nvd.nist.gov/vuln/detail/CVE-2023-48733 https://www.openwall.com/lists/oss-security/2024/02/14/4