In android_verity_ctr of dm-android-verity.c, there is a possible way to modify a dm-verity protected filesystem due to improperly used crypto
Published Aug 11, 2020
7.8
HIGHCVSS 3.1
EPSS 0.16%
Description
In android_verity_ctr of dm-android-verity.c, there is a possible way to modify a dm-verity protected filesystem due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-157941353References: N/A
Affected products
- Vendor n/a Product Android Defaultn/a
- Version Android kernelStatusaffectedConstraints-
- 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 | Android | 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:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/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 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 | 0.16% (0.00160) | 4.60th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.16% (0.00160) | 5.66th | 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 | 1.04% (0.01036) | 43.31th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.04% (0.01036) | 39.16th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.76% (0.02763) | 63.78th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.72% (0.00716) | 19.88th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.16% (0.00160) | 0.00th | v1 |
No CWE recorded.
References (1)
- https://source.android.com/security/bulletin/2020-08-01 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://source.android.com/security/bulletin/2020-08-01 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.