On Pixel devices there is a bug causing verified boot to show the same certificate fingerprint despite using different signing keys
Published Dec 6, 2018
7.8
HIGHCVSS 3.0
EPSS 0.15%
Description
On Pixel devices there is a bug causing verified boot to show the same certificate fingerprint despite using different signing keys. This may lead to local escalation of privilege if people are relying on those fingerprints to determine what version of the OS the device is running, with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-65543936.
Affected products
-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Google Inc. | 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.15% (0.00146) | 3.22th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.15% (0.00146) | 4.22th | 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 | 1.00% (0.01005) | 38.10th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.00% (0.01005) | 17.93th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.24% (0.00241) | 1.77th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.24% (0.00241) | 0.00th | v1 |
No CWE recorded.
References (2)
- http://www.securityfocus.com/bid/106064 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://source.android.com/security/bulletin/2018-12-01 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/106064 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://source.android.com/security/bulletin/2018-12-01 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.