Vulnerability Details CVE-2023-48733
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.6%
CVSS Severity
CVSS v3 Score 6.7
References
- 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
- 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