A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices
Published Sep 3, 2019
5.5
MEDIUMCVSS 3.1
EPSS 0.25%
Description
A weakness was found in Encrypt Only boot mode in Zynq UltraScale+ devices. This could lead to an adversary being able to modify the control fields of the boot image leading to an incorrect secure boot behavior.
Affected products
- Vendor n/a Product Zynq UltraScale+ SoC Defaultn/a
- Version Not FixedStatusaffectedConstraints-
- 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 | Zynq UltraScale+ SoC | n/a |
|
Configuration 1
- n/a
Configuration 2
- n/a
Configuration 3
- n/a
Configuration 4
- n/a
Configuration 5
- n/a
Configuration 6
- n/a
Configuration 7
- n/a
Configuration 8
- n/a
Configuration 9
- n/a
Configuration 10
- n/a
Configuration 11
- n/a
Configuration 12
- n/a
Configuration 13
- n/a
Configuration 14
- n/a
Configuration 15
- n/a
Configuration 16
- n/a
Configuration 17
- n/a
Configuration 18
- n/a
Configuration 19
- n/a
Configuration 20
- n/a
Configuration 21
- n/a
Configuration 22
- n/a
Configuration 23
- n/a
Configuration 24
- n/a
Configuration 25
- n/a
Configuration 26
- n/a
Configuration 27
- n/a
Configuration 28
- n/a
Configuration 29
- n/a
Configuration 30
- n/a
Configuration 31
- n/a
Configuration 32
- n/a
Configuration 33
- n/a
Configuration 34
- n/a
Configuration 35
- n/a
Configuration 36
- n/a
Configuration 37
- n/a
Configuration 38
- n/a
Configuration 39
- n/a
Configuration 40
- n/a
Configuration 41
- n/a
No data.
No Red Hat product state for this CVE.
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:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:P/A:N
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 1, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.25% (0.00249) | 14.64th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.25% (0.00249) | 16.56th | 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 | 1.40% (0.01404) | 49.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v1 |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (2)
- https://github.com/inversepath/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2019-0001-Xilinx_ZU+-Encrypt_Only_Secure_Boot_bypass.txt x_refsource_MISCThird Party Advisory
- https://www.xilinx.com/support/answers/72588.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/inversepath/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2019-0001-Xilinx_ZU+-Encrypt_Only_Secure_Boot_bypass.txt | x_refsource_MISCThird Party Advisory | |
| https://www.xilinx.com/support/answers/72588.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.