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Rt430 FirmwareOperating system · Ge

CVE-2020-12017

CRITICAL · 9.8 CVSS v3.1 Published 2020-06-02
Fix available
A fix is available. Upgrade to 08a05 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
GE Grid Solutions Reason RT Clocks, RT430, RT431, and RT434, all firmware versions prior to 08A05. The device’s vulnerability in the web application could allow multiple unauthenticated attacks that could cause serious impact. The vulnerability may allow an unauthenticated attacker to execute arbitrary commands and send a request to a specific URL that could cause the device to become unresponsive. The unauthenticated attacker may change the password of the 'configuration' user account, allowing the attacker to modify the configuration of the device via the web interface using the new password. This vulnerability may also allow an unauthenticated attacker to bypass the authentication required to configure the device and reboot the system.

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

The GE Grid Solutions Reason RT Clocks (RT430, RT431, RT434) web application contains multiple critical vulnerabilities allowing unauthenticated attackers to execute arbitrary commands, cause device unresponsiveness via specific URL requests, change the 'configuration' user password, bypass authentication entirely, and reboot the system. These flaws exist in all firmware versions prior to 08A05.

MitigationUpgrade firmware to version 08A05 or later. If immediate patching is not possible, isolate device network segments and restrict access to the web management interface to minimize exposure.

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
Rt430 FirmwareOperating system
Affected:< 08a05
Rt431 FirmwareOperating system
Affected:< 08a05
Rt434 FirmwareOperating system
Affected:< 08a05

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. Identify the device model and firmware version
    Access the device web interface and navigate to the 'About' or 'System Information' page, or use the device's command-line interface if available to display firmware version information
    Affected if The displayed firmware version is below 08A05 (for example, 08A04, 07Xxx, or any version number less than 08A05)
  2. Confirm the device is a GE Reason RT Clock
    Check the device labeling, web interface header, or login page for model identifiers RT430, RT431, or RT434
    Affected if The device model is RT430, RT431, or RT434 and the firmware version is below 08A05
  3. Verify web application accessibility
    Attempt to access the device web management interface via HTTP/HTTPS on the device IP address
    Affected if The web interface is reachable and responds to requests, indicating the vulnerable web application is active
  4. Check for unauthorized configuration changes
    Log into the web interface and inspect the 'configuration' user account settings or review system logs for password change events
    Affected if The 'configuration' user password was changed without administrative knowledge, indicating potential exploitation of the password change vulnerability

The device is affected if it is a GE Reason RT Clock model RT430, RT431, or RT434 running firmware version prior to 08A05, with the web management interface accessible.

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.

dbcve · scoped
Upgrade available Upgrade to 08a05 or later
Fixed in 08a05
Interim mitigation

Upgrade firmware to version 08A05 or later. If immediate patching is not possible, isolate device network segments and restrict access to the web management interface to minimize exposure.

Recommended fix High confidence

Firmware version 08A05

  1. 1. Contact GE Grid Solutions to obtain the official firmware update (version 08A05 or later) for your specific model (RT430, RT431, or RT434).
  2. 2. Review GE's official firmware upgrade documentation and procedures for the Reason RT Clock device.
  3. 3. Schedule a maintenance window as firmware updates may require device downtime.
  4. 4. Follow the vendor-provided instructions to upload and install the new firmware version 08A05 on the affected device.
  5. 5. After upgrade, verify that the device is running firmware version 08A05 or later.
  6. 6. Change the 'configuration' user account password from any default or potentially compromised password to a new, strong password.
  7. 7. Verify that the web interface now requires authentication for configuration changes.

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Rt430 Firmware Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing12.0 h
  • Review / QA4.0 h
40.0 hours of engineering $7,000
Get the upgrade done

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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-2020-12017 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