Security readout for executives and security teams
This flaw can let someone with physical access bypass GRUB password protection on affected Red Hat Enterprise Linux 9 systems. It matters most for laptops, edge devices, kiosks, servers in shared facilities, and environments relying on GRUB passwords as a physical-access control. Likely exposure is limited to affected Red Hat grub2 packages on RHEL 9, including listed EUS 9.0 and 9.2 builds. Systems without attacker physical access, without removable boot exposure, or not relying on GRUB password protection have reduced practical risk. Prioritize remediation for physically exposed RHEL 9 assets and systems where GRUB passwords protect sensitive operations. This is not a remote mass-exploitation issue, but it can undermine local tamper resistance and should be handled in normal security update cycles with higher urgency for exposed devices. Mitigation focus: Apply relevant Red Hat grub2 updates from RHSA-2024:0437, RHSA-2024:0456, or RHSA-2024:0468.; Check Red Hat's CVE page for package status and environment-specific guidance.; Review vendor advisories for derived products or appliances that include affected grub2 builds..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-290: Exact CWE lookup
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Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-4001 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H0.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.8MediumVector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2024:0437CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2024:0456CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2024:0468CVE reference · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2023-4001CVE reference · vdb-entry, x_refsource_REDHAT
- RHBZ#2224951CVE reference · issue-tracking, x_refsource_REDHAT
- https://dfir.ru/2024/01/15/cve-2023-4001-a-vulnerability-in-the-downstream-grub-boot-manager/CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3OBADMKHQLJOBA32Q7XPNSYMVHVAFDCB/CVE reference · x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CHLZQ47HM64NDOHMHYO7VIJFYD5ZPPYN/CVE reference · x_transferred
- https://security.netapp.com/advisory/ntap-20240216-0006/CVE reference · x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Authentication Bypass by Spoofing
Authentication Bypass by Spoofing represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.