CVE catalog
CVE-2023-48733
edk2: CVE-2023-48733
- Severity
- Medium · CVSS 6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | edk2 | sid | 2026.08+ds-2 | fixed |
| Debian | edk2 | forky | 2026.08+ds-2 | fixed |
| Debian | edk2 | trixie | 2025.02-8+deb13u1 | fixed |
| Debian | edk2 | bookworm | 2022.11-6+deb12u2 | fixed |
| Debian | edk2 | bookworm-security | 2022.11-6+deb12u1 | fixed |
| Ubuntu | edk2 | pro | 0~20170911.5dfba97c-1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20171010.234dbcef-1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20171027.76fd5a66-1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20171205.a9212288-1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180105.0bc94c74-1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2ubuntu0.1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2ubuntu0.2 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2ubuntu0.3 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2ubuntu0.3+esm1 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | vulnerable |
| Ubuntu | edk2 | pro | 0~20180205.c0d9813c-2ubuntu0.3+esm3 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20190606.20d2e5a1-2ubuntu1 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20190828.37eef910-3 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20190828.37eef910-4 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-1 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-1ubuntu1 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu1 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu2 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu3 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu3.1 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu3.2 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu3.3 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu3.4 | vulnerable |
| Ubuntu | edk2 | 20.04 | 0~20191122.bd85bf54-2ubuntu3.5 | fixed |
| Ubuntu | edk2 | 22.04 | 2021.08~rc0-2 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2021.08-3 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2021.11~rc1-1 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2021.11-1 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2021.11-2 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02~rc1-1 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02~rc1-1ubuntu1 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02-1 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02-2 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02-3 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02-3ubuntu0.22.04.1 | vulnerable |
| Ubuntu | edk2 | 22.04 | 2022.02-3ubuntu0.22.04.2 | fixed |
| Opensuse | ovmf | tumbleweed | 202308-7.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | edk2 | source | sid | 2023.11-7 | not yet assigned | Not reported | Not reported |
| Debian | edk2 | source | forky | 2023.11-7 | not yet assigned | Not reported | Not reported |
| Debian | edk2 | source | trixie | 2023.11-7 | not yet assigned | Not reported | Not reported |
| Debian | edk2 | source | bookworm | 2022.11-6+deb12u1 | not yet assigned | Not reported | Not reported |
| Ubuntu | edk2 | deb | 20.04 | 0~20191122.bd85bf54-2ubuntu3.5 | Not reported | UBUNTU-CVE-2023-48733 | Not reported |
| Ubuntu | edk2 | deb | 22.04 | 2022.02-3ubuntu0.22.04.2 | Not reported | UBUNTU-CVE-2023-48733 | Not reported |
| Opensuse | ovmf | rpm | tumbleweed | 202308-7.1 | Not reported | OPENSUSE-SU-2024:13807-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_13807-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-48733]
- [https://osv.dev/vulnerability/DLA-3852-1]
- [https://osv.dev/vulnerability/DSA-5624-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-48733]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:13807-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-48733]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]