CVE-2023-28911
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 · uneditedA specific flaw exists within the Bluetooth stack of the MIB3 infotainment. The issue results from the lack of proper validation of user-supplied data, which can result in an arbitrary channel disconnection. An attacker can leverage this vulnerability to cause a denial-of-service attack for every connected client of the infotainment device. The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.
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 confidenceA vulnerability in the Bluetooth stack of the MIB3 infotainment system allows attackers to cause arbitrary channel disconnections due to improper validation of user-supplied data. This enables a denial-of-service attack affecting all Bluetooth-connected clients of the infotainment device.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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
- Adjacent
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/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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Identify the infotainment system versionAccess the system settings or diagnostic menu to confirm the MIB3 infotainment system variant is in use. Check firmware revision through the vehicle's infotainment settings or diagnostic interface.Affected if The system is confirmed as MIB3 infotainment hardware
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Check Bluetooth module statusVerify whether the Bluetooth function is enabled in the infotainment system settings. Look for Bluetooth connectivity status in the system configuration or vehicle diagnostics.Affected if Bluetooth is currently enabled on the infotainment system
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Identify connected Bluetooth clientsReview the list of paired and connected Bluetooth devices through the infotainment system Bluetooth menu or vehicle diagnostics. Note any actively connected clients.Affected if One or more Bluetooth devices are paired or actively connected to the infotainment system
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Compare firmware version to vendor patchesLocate the current firmware version in system settings or diagnostic tools. Consult vendor security advisories for CVE-2023-28911 to determine if a patched firmware version is available and compare.Affected if The installed firmware version predates the vendor patch date for this vulnerability
Users are affected if they have an MIB3 infotainment system with Bluetooth enabled and an unpatched firmware version.
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 vendor-supplied firmware patch for the MIB3 infotainment system to address the Bluetooth stack vulnerability; until patched, limit Bluetooth pairing to trusted devices only.
- Consultation4.0 h
- Testing8.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2023-28911 — 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-2023-28911 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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