CVE-2021-30314
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 · uneditedLack of validation for third party application accessing the service can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
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 confidenceThis vulnerability stems from insufficient validation checks when third-party applications attempt to access a specific service, allowing unauthorized applications to retrieve sensitive information. The issue affects multiple Qualcomm Snapdragon platform categories including Mobile, Compute, Auto, IoT variants, and Wearables.
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 dataall versionsall versionsall versionsall versionsall versionsall versionsall versionsall versionsCVSS 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 the Qualcomm chipset modelCheck the device hardware specifications, system information, or firmware documentation to determine if the device contains a Qca6390, Qca6391, Qca6426, Qca6436, Qca6574, Qca6574a, Qca6574au, or Qca6595au wireless chipsetAffected if The device uses any of the listed Qualcomm Qca chipset models
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Verify the affected service is exposedReview the device or system configuration to determine if the service that accepts third-party application requests is enabled and accessibleAffected if The service that third-party apps can access is running and exposed on the device
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Check application access control configurationInspect the access control policies, application permissions, or security settings that govern which applications can communicate with the affected serviceAffected if No strong authentication or authorization controls are configured, or the validation mechanism is missing or weak
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Review application signature verificationCheck whether the system validates application signatures or implements code signing requirements before allowing access to the affected serviceAffected if Application signature verification is not enforced or is bypassed
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Audit for unauthorized access indicatorsReview security logs, access logs, or system events for any instances where applications without proper authorization accessed the sensitive serviceAffected if Logs show access attempts or successful accesses by applications that were not explicitly authorized
Your environment is affected if devices in your infrastructure use any of the listed Qualcomm Qca chipset models and the service that handles third-party application requests is accessible without proper authentication and authorization controls.
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 dataImplement proper authentication and authorization controls to validate that only permitted applications can access the affected service, including verifying application signatures and enforcing access control policies.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,352.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-30314 — 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-2021-30314 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data