CVE-2022-37343
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 the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
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 · high confidenceThis vulnerability exists in the BIOS firmware of certain Intel processors due to improper access control mechanisms. A user who already has privileged access can exploit this flaw through local access to achieve further privilege escalation, potentially gaining full system control at the highest privilege level.
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
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:H/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 processor modelRun 'dmidecode -s processor-manufacturer' and 'dmidecode -s processor-version' or check system information via 'lscpu' or msinfo32 on WindowsAffected if The CPU is an Intel Atom C3338r, C3436l, C3558r, C3758r, C3336, C3308, C3508, or C3538
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Confirm BIOS firmware versionRun 'dmidecode -s bios-version' on Linux, or check BIOS version in Windows system information (msinfo32) or via 'wmic bios get smbiosbiosversion'Affected if The firmware version exists and the underlying CPU matches an affected model from step 1 (all versions of these firmware are affected)
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Verify local privileged access existsReview user account privileges and check for accounts with administrative or root-level access using 'whoami /all' on Windows or 'id' on LinuxAffected if Any local user account with privileged (administrator/root) access is present on the system - this is the prerequisite condition for exploitation
The system is affected if it runs an Intel Atom processor from the affected model list (C3338r, C3436l, C3558r, C3758r, C3336, C3308, C3508, C3538) and has any local privileged user account present, since all firmware versions of these processors are vulnerable.
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 the BIOS/firmware update provided by Intel through the system OEM. BIOS updates should be tested in a controlled environment before broad deployment due to the risk of system unavailability during the update process.
- Consultation8.0 h
- Implementation24.0 h
- Testing16.0 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 $15,616.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-37343 — 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-2022-37343 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
- No spam, self-promotion, credentials, or personal data