CVE-2020-0007
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIn flattenString8 of Sensor.cpp, there is a possible information disclosure of heap memory due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-8.0, Android-8.1, Android-9, and Android-10 Android ID: A-141890807
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceIn flattenString8 of Sensor.cpp, uninitialized heap memory may be disclosed when flattening string data for Android sensors. This local information disclosure occurs without requiring any additional execution privileges or user interaction.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 8.0= 8.1= 9.0= 10.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Android versionCheck the device or system Android version via Settings > About Phone > Android version, or run 'getprop ro.build.version.release' in ADB shellAffected if The installed version matches 8.0, 8.1, 9.0, or 10.0 exactly
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Confirm sensors framework is activeVerify the Android sensors service is running by checking 'dumpsys sensorservice' or by using a sensor testing app that accesses accelerometer, gyroscope, or other sensorsAffected if Sensors are enabled and the device has sensor hardware that utilizes the flattenString8 function in Sensor.cpp
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Check sensor data processing pathsReview any custom sensor implementations or sensorhub firmware that may invoke the flattenString8 function during sensor data serializationAffected if Custom or vendor-specific sensor code that calls flattenString8 is present and active on the affected Android version
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Audit app sensor permissionsUse 'dumpsys package <package_name>' to check which installed apps have the BIND_SENSOR_SERVICE permission or access to android.hardware.sensor serviceAffected if Any application with sensor access privileges runs on the affected Android version and triggers the vulnerable code path
The device is affected if it runs Android 8.0, 8.1, 9.0, or 10.0 and utilizes sensor functionality that invokes the flattenString8 function in the sensors framework.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataEnsure proper memory initialization in the flattenString8 function by zeroing or initializing all data structures before use to prevent heap memory contents from being leaked.
- Consultation4.0 h
- Implementation8.0 h
- Testing12.0 h
- Review / QA6.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-0007 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-0007 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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