Powerflex 525 Ac Drives FirmwareOperating system · Rockwellautomation

CVE-2018-19282

CRITICAL · 9.8 CVSS v3.0 Published 2019-04-04
Fix available
A fix is available. Upgrade to after 5.001 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
Rockwell Automation PowerFlex 525 AC Drives 5.001 and earlier allow remote attackers to cause a denial of service by crashing the Common Industrial Protocol (CIP) network stack. The vulnerability allows the attacker to crash the CIP in a way that it does not accept new connections, but keeps the current connections active, which can prevent legitimate users from recovering control.

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

Rockwell Automation PowerFlex 525 AC Drives versions 5.001 and earlier contain a denial of service vulnerability in the Common Industrial Protocol (CIP) network stack. Remote unauthenticated attackers can send specially crafted requests that crash the CIP stack in a way that it stops accepting new connections while maintaining existing connections, effectively locking out legitimate users and preventing recovery of normal service.

MitigationIf a vendor patch is available, update PowerFlex 525 firmware to a version newer than 5.001. If no patch exists, implement network segmentation to isolate the affected devices behind a firewall, and deploy compensating controls such as CIP security conformance and access control lists to limit exposure to untrusted networks.

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
Powerflex 525 Ac Drives FirmwareOperating system
Affected:<= 5.001

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:3.0/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. Identify the device model
    Locate the PowerFlex 525 AC Drive in your asset inventory or physically inspect the device nameplate or network configuration for model number confirmation
    Affected if The device is not a Rockwell Automation PowerFlex 525 AC Drive
  2. Check the firmware version
    Access the device web interface, RSLogix/Studio 5000 project, or use the device's built-in web server or management interface to retrieve the installed firmware version
    Affected if The firmware version is 5.001 or earlier
  3. Confirm CIP protocol is enabled
    Verify through the device network configuration settings or controller organizer in RSLogix/Studio 5000 that Common Industrial Protocol (CIP) communication is enabled on the device
    Affected if CIP is enabled and the device is communicating over Ethernet/IP
  4. Assess network accessibility
    Review firewall rules, network segmentation, and ACLs to determine if the device is reachable from untrusted network segments or the internet
    Affected if The device is directly accessible from untrusted networks without firewall protection

You are affected if you have a PowerFlex 525 AC Drive running firmware version 5.001 or earlier with CIP enabled and accessible from an untrusted network.

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 5.001
Interim mitigation

If a vendor patch is available, update PowerFlex 525 firmware to a version newer than 5.001. If no patch exists, implement network segmentation to isolate the affected devices behind a firewall, and deploy compensating controls such as CIP security conformance and access control lists to limit exposure to untrusted networks.

Fix this in Powerflex 525 Ac Drives Firmware Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
36.0 hours of engineering $6,400
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2018-19282 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2018-19282 in production — separate from our analysis above.

No notes yet

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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