Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device's protected firmware via a special sequence of Serial Wire Debug (SWD) commands because there is a race condition between full initialization of the SWD interface and the setup of flash protection
Published Sep 12, 2018
4.6
MEDIUMCVSS 3.1
EPSS 0.40%
Description
Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device's protected firmware via a special sequence of Serial Wire Debug (SWD) commands because there is a race condition between full initialization of the SWD interface and the setup of flash protection.
Affected products
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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:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:N/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00400) | 31.81th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.40% (0.00400) | 34.05th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.07% (0.00065) | 28.82th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.07% (0.00065) | 28.50th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.07% (0.00065) | 26.50th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.06% (0.00059) | 22.41th | v3 (v2023.03.01) |
| Sep 6, 2023 | 0.13% (0.00134) | 47.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00127) | 45.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (3)
- https://community.st.com/s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32 x_refsource_MISCVendor Advisory
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.html x_refsource_MISCExploitThird Party Advisory
- https://www.usenix.org/conference/woot17/workshop-program/presentation/obermaier x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://community.st.com/s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32 | x_refsource_MISCVendor Advisory | |
| https://www.aisec.fraunhofer.de/en/FirmwareProtection.html | x_refsource_MISCExploitThird Party Advisory | |
| https://www.usenix.org/conference/woot17/workshop-program/presentation/obermaier | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.