PT-2023-9359 · Edk2+3 · Edk2+3

Mate Kukri · Published 2023-10-23 · Updated 2025-11-26 · CVE-2023-48733

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions EDK2 versions (affected versions not specified)

Description The issue is related to an insecure default configuration in EDK2 that allows the UEFI Shell to be enabled, potentially permitting an OS-resident attacker to bypass Secure Boot. This could lead to unauthorized access to confidential data, disruption of data integrity, and denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-1188

CWE-16

Related Identifiers

BDU:2024-06914

CVE-2023-48733

DLA-3852-1

DSA-5624-1

OPENSUSE-SU-2024:13807-1

USN-6638-1

Affected Products

Astra Linux

Edk2

Linuxmint

Ubuntu

References · 41

• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-1031SE47 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-48733 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-48733 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-36764 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5624-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45230 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45231 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-48733 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:13807-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-48733 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6638-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-48733 · Security Note
• https://osv.dev/vulnerability/USN-6638-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-36763 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-45233 · Vendor Advisory