edk2: DxeImageVerificationHandler() fails open in case of dbx signature check
Published Nov 23, 2020
7.8
HIGHCVSS 3.1
EPSS 0.37%
Description
Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.
Affected products
- Vendor n/a Product Extensible Firmware Interface Development Kit (EDK II) Defaultn/a
- Version EDK IIStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Extensible Firmware Interface Development Kit (EDK II) | n/a |
|
Configuration 2
- 9.0
No data.
Red Hat Enterprise Linux 7
ovmf
Affected
Red Hat Enterprise Linux 8
edk2
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | ovmf | Affected | n/a |
| Red Hat Enterprise Linux 8 | edk2 | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.37% (0.00367) | 28.29th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.37% (0.00367) | 30.56th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2019-14575 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1736862 Issue Tracking
- https://bugzilla.tianocore.org/show_bug.cgi?id=1608 x_refsource_MISCIssue Tracking
- https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-14575
- https://www.cve.org/CVERecord?id=CVE-2019-14575
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-14575 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1736862 | Issue Tracking | |
| https://bugzilla.tianocore.org/show_bug.cgi?id=1608 | x_refsource_MISCIssue Tracking | |
| https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-14575 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-14575 |
Change history (0)
No recorded changes yet.