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Vulnerability details: VCID-9dkn-kkgd-37ce
Vulnerability ID VCID-9dkn-kkgd-37ce
Aliases CVE-2022-28733
Summary Multiple vulnerabilities have been discovered in GRUB, the worst of which may allow for secureboot bypass.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-191 Integer Underflow (Wrap or Wraparound)
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-28733.json
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00109 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
epss 0.00112 https://api.first.org/data/v1/epss?cve=CVE-2022-28733
cvssv3.1 8.1 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
ssvc Track https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux High https://security.archlinux.org/AVG-2762
cvssv3.1 8.1 https://security.netapp.com/advisory/ntap-20230825-0002/
ssvc Track https://security.netapp.com/advisory/ntap-20230825-0002/
cvssv3.1 8.1 https://www.openwall.com/lists/oss-security/2022/06/07/5
ssvc Track https://www.openwall.com/lists/oss-security/2022/06/07/5
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-28733.json
https://api.first.org/data/v1/epss?cve=CVE-2022-28733
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2083339 https://bugzilla.redhat.com/show_bug.cgi?id=2083339
5 https://www.openwall.com/lists/oss-security/2022/06/07/5
AVG-2762 https://security.archlinux.org/AVG-2762
GLSA-202209-12 https://security.gentoo.org/glsa/202209-12
ntap-20230825-0002 https://security.netapp.com/advisory/ntap-20230825-0002/
RHSA-2022:5095 https://access.redhat.com/errata/RHSA-2022:5095
RHSA-2022:5096 https://access.redhat.com/errata/RHSA-2022:5096
RHSA-2022:5098 https://access.redhat.com/errata/RHSA-2022:5098
RHSA-2022:5099 https://access.redhat.com/errata/RHSA-2022:5099
RHSA-2022:5100 https://access.redhat.com/errata/RHSA-2022:5100
RHSA-2022:5678 https://access.redhat.com/errata/RHSA-2022:5678
RHSA-2022:8900 https://access.redhat.com/errata/RHSA-2022:8900
USN-6355-1 https://usn.ubuntu.com/6355-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-28733.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:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
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:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-10-24T19:49:29Z/ Found at https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28733
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20230825-0002/
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:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-10-24T19:49:29Z/ Found at https://security.netapp.com/advisory/ntap-20230825-0002/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.openwall.com/lists/oss-security/2022/06/07/5
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:N/A:N/T:T/P:M/B:A/M:M/D:T/2024-10-24T19:49:29Z/ Found at https://www.openwall.com/lists/oss-security/2022/06/07/5
Exploit Prediction Scoring System (EPSS)
Percentile 0.29258
EPSS Score 0.00109
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:10:03.440155+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202209-12 38.0.0