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Vulnerability details: VCID-9mut-ye1e-pbdx
Vulnerability ID VCID-9mut-ye1e-pbdx
Aliases CVE-2023-4692
Summary grub2: Out-of-bounds write at fs/ntfs.c may lead to unsigned code execution
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-122 Heap-based Buffer Overflow
System Score Found at
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2024:2456
ssvc Track* https://access.redhat.com/errata/RHSA-2024:2456
cvssv3.1 7.5 https://access.redhat.com/errata/RHSA-2024:3184
ssvc Track* https://access.redhat.com/errata/RHSA-2024:3184
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json
cvssv3.1 7.5 https://access.redhat.com/security/cve/CVE-2023-4692
ssvc Track* https://access.redhat.com/security/cve/CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
epss 4e-05 https://api.first.org/data/v1/epss?cve=CVE-2023-4692
cvssv3.1 7.5 https://bugzilla.redhat.com/show_bug.cgi?id=2236613
ssvc Track* https://bugzilla.redhat.com/show_bug.cgi?id=2236613
cvssv3.1 7.5 https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
ssvc Track* https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
cvssv3.1 7.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
ssvc Track* https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
cvssv3.1 7.5 https://seclists.org/oss-sec/2023/q4/37
ssvc Track* https://seclists.org/oss-sec/2023/q4/37
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json
https://api.first.org/data/v1/epss?cve=CVE-2023-4692
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4692
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4693
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2236613 https://bugzilla.redhat.com/show_bug.cgi?id=2236613
37 https://seclists.org/oss-sec/2023/q4/37
cpe:/o:redhat:enterprise_linux:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8::baseos https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:8::baseos
cpe:/o:redhat:enterprise_linux:9::baseos https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9::baseos
CVE-2023-4692 https://access.redhat.com/security/cve/CVE-2023-4692
cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
msg00028.html https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
RHSA-2024:2456 https://access.redhat.com/errata/RHSA-2024:2456
RHSA-2024:3184 https://access.redhat.com/errata/RHSA-2024:3184
USN-6410-1 https://usn.ubuntu.com/6410-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2024:2456
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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none

required

unchanged

changed

high

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none

high

low

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high

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none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://access.redhat.com/errata/RHSA-2024:2456
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/errata/RHSA-2024:3184
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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none

required

unchanged

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none

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Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://access.redhat.com/errata/RHSA-2024:3184
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://access.redhat.com/security/cve/CVE-2023-4692
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://access.redhat.com/security/cve/CVE-2023-4692
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=2236613
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2236613
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://seclists.org/oss-sec/2023/q4/37
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-08-15T14:23:06Z/ Found at https://seclists.org/oss-sec/2023/q4/37
Exploit Prediction Scoring System (EPSS)
Percentile 0.00161
EPSS Score 4e-05
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:52:30.254945+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-4692.json 38.0.0