OxygenOS before version 4.0.2, on OnePlus 3 and 3T, has two hidden fastboot oem commands (4F500301 and 4F500302) that allow the attacker to lock/unlock the bootloader, disregarding the 'OEM Unlocking' checkbox, without user confirmation and without a factory reset
Published Mar 12, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.82%
Description
OxygenOS before version 4.0.2, on OnePlus 3 and 3T, has two hidden fastboot oem commands (4F500301 and 4F500302) that allow the attacker to lock/unlock the bootloader, disregarding the 'OEM Unlocking' checkbox, without user confirmation and without a factory reset. This allows for persistent code execution with high privileges (kernel/root) with complete access to user data.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.82% (0.02820) | 86.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.82% (0.02820) | 84.68th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.77% (0.01773) | 81.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.09% (0.03087) | 77.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.77% (0.01773) | 81.43th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.54% (0.02544) | 89.87th | v3 (v2023.03.01) |
| Oct 13, 2023 | 1.08% (0.01080) | 82.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.00% (0.00999) | 81.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.60% (0.01599) | 75.52th | v2 (v2022.01.01) |
| Apr 10, 2022 | 1.60% (0.01599) | 73.55th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.30% (0.01298) | 65.94th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.30% (0.01298) | 41.74th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.73% (0.00731) | 20.40th | v1 |
| Jan 6, 2022 | 0.73% (0.00731) | 19.82th | v1 |
| Sep 1, 2021 | 0.73% (0.00731) | 49.19th | v1 |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
No CWE recorded.
References (1)
- https://securityresear.ch/2017/02/08/oneplus3-bootloader-vulns/ x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://securityresear.ch/2017/02/08/oneplus3-bootloader-vulns/ | x_refsource_MISCExploitTechnical DescriptionThird Party Advisory |
Change history (0)
No recorded changes yet.