CVE-2023-28906
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 command injection in the networking service of the MIB3 infotainment allows an attacker already presenting in the system to escalate privileges and obtain administrative access to the system. 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 · high confidenceCommand injection vulnerability in the networking service of the MIB3 infotainment system (automotive head unit) that allows an attacker with existing system access to escalate privileges to administrative/root level. The vulnerability exists in specific OEM part numbers of the MIB3 infotainment unit found in certain Skoda vehicles.
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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/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 infotainment system versionCheck vehicle documentation, system info menu, or physical label on the unit for MIB3 designation. On the head unit, navigate to Settings > System > About to find the software version if accessible.Affected if System is confirmed as MIB3 infotainment unit
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Determine the OEM part numberLocate the part number label on the MIB3 unit (typically accessible via service port or拆除 the unit). Cross-reference with Skoda's affected part number list for CVE-2023-28906 - affected units are specific OEM part numbers used in certain model years.Affected if Part number matches one of the affected OEM part numbers listed in the CVE advisory
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Verify the networking service is activeIf telnet/ssh access to the infotainment system is available, check for the vulnerable networking service process. Otherwise, monitor network traffic to/from the infotainment unit on ports associated with the command injection service.Affected if Networking service that contains the command injection flaw is running and accessible
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Check for signs of privilege escalationIf you have diagnostic access, verify if any unexpected root-level processes are running, or check for new user accounts, modified sudoers files, or unauthorized cron jobs that would indicate prior exploitation.Affected if Root-level anomalies exist that suggest the vulnerability was exploited
A user is affected if their vehicle contains a MIB3 infotainment unit with an OEM part number matching the affected range and the vulnerable networking service is exposed or active.
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 OEM-provided firmware patches when available; until then, limit network exposure of the infotainment system and monitor for signs of compromise. Vehicle owners should contact authorized dealers for patch availability.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA6.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2023-28906 — 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-2023-28906 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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