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Oncell G3150a Lte FirmwareOperating system · Moxa

CVE-2023-6094

MEDIUM · 5.3 CVSS v3.1 Published 2023-12-31
Fix available
A fix is available. Upgrade to after 1.3 or later.
See remediation →
62/100
Remediation priority · Elevated
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
A vulnerability has been identified in OnCell G3150A-LTE Series firmware versions v1.3 and prior. The vulnerability results from lack of protection for sensitive information during transmission. An attacker eavesdropping on the traffic between the web browser and server may obtain sensitive information. This type of attack could be executed to gather sensitive information or to facilitate a subsequent attack against the target.

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 OnCell G3150A-LTE Series firmware v1.3 and prior transmits sensitive information without proper encryption protection between the web browser and the device server. An attacker performing man-in-the-middle or network eavesdropping can intercept and read sensitive data in plaintext.

MitigationEnable TLS/HTTPS encryption for all web traffic to the device management interface, or upgrade to firmware v1.4 or later if available. Ensure network segmentation to reduce exposure to eavesdropping attacks.

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
Oncell G3150a Lte FirmwareOperating system
Affected:<= 1.3

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
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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 device model and firmware version
    Access the device web interface and check the system information page, or use the command-line interface (CLI) via telnet/SSH and run the 'show system' or 'version' command to display the firmware version. Compare against <= 1.3.
    Affected if The device is a Moxa OnCell G3150A-LTE and the firmware version is 1.3 or lower.
  2. Check if HTTP is enabled for the web interface
    Attempt to access the device using HTTP (http://<device_ip>). If the login page loads over HTTP rather than HTTPS, the device is using unencrypted communication.
    Affected if The web interface is accessible over HTTP (port 80) without redirecting to HTTPS.
  3. Verify HTTPS/TLS availability
    Attempt to access the device using HTTPS (https://<device_ip>) and check if a valid HTTPS connection is established. Check the device's web server configuration page for available protocols and verify TLS is enabled.
    Affected if HTTPS is either unavailable or TLS encryption is disabled in the web server settings.
  4. Capture network traffic to confirm plaintext transmission
    Use a network sniffer (such as Wireshark or tcpdump) on the client machine while logging into the device. Observe whether login credentials and session data are transmitted in plaintext over HTTP.
    Affected if Login credentials, session cookies, or other sensitive data are visible in plaintext in captured network traffic.

A user is affected if they have a Moxa OnCell G3150A-LTE device running firmware version 1.3 or lower with the web interface accessible over unencrypted HTTP.

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 a release after 1.3
Interim mitigation

Enable TLS/HTTPS encryption for all web traffic to the device management interface, or upgrade to firmware v1.4 or later if available. Ensure network segmentation to reduce exposure to eavesdropping attacks.

Recommended fix Moderate confidence

OnCell G3150A-LTE firmware v1.4 or later (check Moxa for exact fixed release)

  1. 1. Visit Moxa's official support website at www.moxa.com to check for the latest firmware version for OnCell G3150A-LTE Series
  2. 2. Download the latest firmware version (ensure it is later than v1.3)
  3. 3. Review the firmware upgrade instructions provided in the Moxa product documentation
  4. 4. Backup the current device configuration before performing the firmware upgrade
  5. 5. Upload and install the new firmware following Moxa's recommended procedures
  6. 6. After upgrade, verify that the web interface is accessible via HTTPS and that sensitive communications are encrypted
Caveat Review Moxa release notes for any configuration changes required after upgrade

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

Fix this in Oncell G3150a Lte Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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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-2023-6094 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