CVSS 3.1 Score 6.8 of 10 (medium)


Published Jan 15, 2024
Updated: Feb 16, 2024
CWE ID 290


CVE-2023-4001 is an authentication bypass vulnerability found in GRUB, affecting Red Hat's version of grub2. This flaw allows an attacker to bypass the GRUB password protection feature on UEFI systems by attaching an external drive with a duplicate UUID. The vulnerability is introduced in a downstream patch and does not affect the upstream package. The base severity of this vulnerability is rated as MEDIUM, with high impacts on integrity and confidentiality. No user interaction or privileges are required for exploitation, and the attack vector is physical. Remediation for this vulnerability is not specified in the provided information.

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