edk2: potentially leaking of secret information due to uncleared memory
Published Oct 5, 2020
5.7
MEDIUMCVSS 3.1
EPSS 0.72%
Description
Insufficient control flow management in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable denial of service via adjacent access.
Affected products
- Vendor n/a Product Intel BIOS Defaultn/a
- Version 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series ProcessorsStatusaffectedConstraints-
- 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 | Intel BIOS | n/a |
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Configuration 1
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Configuration 2
- 9.0
No data.
Red Hat Enterprise Linux 7
ovmf
Not affected
Red Hat Enterprise Linux 8
edk2
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | ovmf | Not affected | n/a |
| Red Hat Enterprise Linux 8 | edk2 | Not 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:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:A/AC:L/Au:S/C:N/I:N/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.72% (0.00720) | 52.28th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.72% (0.00720) | 52.42th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00044) | 12.95th | v3 (v2023.03.01) |
| May 25, 2024 | 0.04% (0.00044) | 12.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.26th | 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 | 0.78% (0.00777) | 21.50th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.52% (0.00518) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2019-14558 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1833347 Issue 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-2019-14558
- https://www.cve.org/CVERecord?id=CVE-2019-14558
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2019-14558 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1833347 | Issue 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-2019-14558 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-14558 | ||
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00356.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.