CVE-2021-22302
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 · uneditedThere is an out-of-bound read vulnerability in Taurus-AL00A 10.0.0.1(C00E1R1P1). A module does not verify the some input. Attackers can exploit this vulnerability by sending malicious input through specific app. This could cause out-of-bound, compromising normal service.
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 confidenceAn out-of-bounds read vulnerability exists in the Taurus-AL00A 10.0.0.1(C00E1R1P1) due to a module that does not properly verify input. Attackers can exploit this by sending malicious input through a specific application, causing memory to be read outside intended bounds and potentially compromising the device.
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= 10.0.0.1\(c00e1r1p1\)CVSS 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
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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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Check the device firmware versionNavigate to Settings > About Phone on the Huawei Taurus-AL00a device and locate the 'Version' or 'Build number' field. Alternatively, enter *#*#2846579#*#* in the dialer to access engineering menu for detailed version info.Affected if The firmware version displayed matches exactly 10.0.0.1(C00E1R1P1)
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Confirm the specific application is activeReview the list of installed applications on the device. Since the CVE references a 'specific application' used as the attack vector but does not name it, identify any third-party or pre-installed apps that handle network input or external data.Affected if The vulnerable application (unknown by name) is installed and actively used on the device
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Check for memory access anomaliesUse the device's built-in logging or a security app to review system logs (logcat) for any out-of-bounds memory read errors or crashes related to application modules. Look for error signatures containing 'out-of-bounds' or memory address violations.Affected if Log entries show out-of-bounds read errors occurring within application modules that process external input
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Verify input validation behaviorMonitor network traffic to and from the device using a packet capture tool or network monitor. Observe how the specific application processes incoming data and whether unexpected memory reads occur during input handling.Affected if The application exhibits unexpected memory access patterns when processing external input, indicating the input validation flaw is present
The device is affected only if it is running exactly firmware version 10.0.0.1(C00E1R1P1) and the vulnerable module/application that does not properly verify input is in use.
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 dataApply vendor-provided security patches for this vulnerability; until patched, restrict or disable the specific vulnerable application's network access and monitor for anomalous behavior.
- Consultation8.0 h
- Implementation40.0 h
- Testing16.0 h
- Review / QA8.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-22302 — 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-2021-22302 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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