CVE-2021-1932
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 · uneditedImproper access control in trusted application environment can cause unauthorized access to CDSP or ADSP VM memory with either privilege in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
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 confidenceImproper access control in the trusted application environment of Qualcomm Snapdragon chips allows unauthorized access to CDSP (Compute Digital Signal Processor) or ADSP (Audio Digital Signal Processor) VM memory. This vulnerability in the trusted execution environment can be exploited to access sensitive processor memory regions with elevated privileges.
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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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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Identify the Qualcomm chipset modelCheck the device hardware specifications, boot logs, or system information to determine if the chipset matches any of the affected models: Aqt1000, Ar8035, Qca6390, Qca6420, Qca6430, Qca6574a, Qca6574au, or Qca6595Affected if The device uses any of the listed Qualcomm firmware variants
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Check the current firmware versionRetrieve the firmware version from the device bootloader, baseband logs, or through the Qualcomm Snapdragon firmware interface if accessible. Compare against the affected range (all versions)Affected if The firmware version is from the affected product list and the device has not been patched
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Verify TEE configuration exposureInspect the trusted execution environment settings through debug interfaces or vendor-provided diagnostic tools. Look for any exposed or debug-enabled TEE services that could allow unauthorized memory accessAffected if The TEE has debugging or development interfaces enabled that bypass access controls
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Check CDSP/ADSP service accessibilityReview system services and interfaces that communicate with the Compute Digital Signal Processor or Audio Digital Signal Processor. Identify if there are unprotected pathways to processor memory regionsAffected if There are accessible services or interfaces that allow memory access to CDSP/ADSP without proper authentication or authorization checks
A user is affected if their device contains any of the listed Qualcomm firmware variants with an unpatched TEE that exposes CDSP/ADSP memory access to unauthorized contexts.
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-supplied firmware patches from Qualcomm and ensure device manufacturers have integrated the security update. For embedded/IoT deployments, update baseband/firmware to the latest Qualcomm-recommended version containing the access control fix.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-1932 — 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-2021-1932 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