9000x FirmwareOperating system · Eaton

CVE-2018-8847

CRITICAL · 9.8 CVSS v3.1 Published 2018-07-13
Fix available
A fix is available. Upgrade to after 2.0.29 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
Eaton 9000X DriveA versions 2.0.29 and prior has a stack-based buffer overflow vulnerability, which may allow remote code execution.

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 confidence

A stack-based buffer overflow vulnerability exists in Eaton 9000X DriveA motor drive controllers versions 2.0.29 and prior. The overflow occurs during input handling, allowing an attacker to overwrite stack memory and potentially execute arbitrary code remotely.

MitigationUpdate Eaton 9000X DriveA to firmware version newer than 2.0.29. If patching is not immediately feasible, isolate the device behind a firewall and restrict network access to trusted hosts only.

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 data
9000x FirmwareOperating system
Affected:<= 2.0.29

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
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/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 checks

Work through these to decide whether this CVE applies to you.

  1. Confirm device model
    Identify the physical or network-labeled model of the motor drive controller. Verify it is an Eaton 9000X DriveA model.
    Affected if The device is not an Eaton 9000X DriveA controller
  2. Retrieve firmware version
    Access the controller's web interface, console, or management interface and locate the firmware version information. This is typically found in the system status, about, or diagnostics section.
    Affected if Unable to retrieve a firmware version for comparison
  3. Compare firmware version to affected range
    Compare the installed firmware version number to the affected range of <= 2.0.29. Note the exact version string reported by the device.
    Affected if Firmware version is 2.0.29 or lower
  4. Assess network exposure
    Determine if the controller is directly accessible from untrusted networks. Check whether input handling interfaces (web, telnet, API endpoints) are reachable from outside the trusted network segment.
    Affected if Controller input interfaces are accessible from untrusted networks and firmware is <= 2.0.29

The environment is affected if the device is an Eaton 9000X DriveA controller running firmware version 2.0.29 or lower with network-accessible input handling interfaces.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Upgrade available Upgrade to a release after 2.0.29
Interim mitigation

Update Eaton 9000X DriveA to firmware version newer than 2.0.29. If patching is not immediately feasible, isolate the device behind a firewall and restrict network access to trusted hosts only.

Fix this in 9000x Firmware Scoped from the published advisory
  • Consultation8.0 h
  • Implementation4.0 h
  • Testing12.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,840
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2018-8847 in production — separate from our analysis above.

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What this is

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.

What belongs here
  • 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