Me Rtu FirmwareOperating system · Inea

CVE-2023-29155

CRITICAL · 9.8 CVSS v3.1 Published 2023-11-20
Fix available
A fix is available. Upgrade to 3.37 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
Versions of INEA ME RTU firmware 3.36b and prior do not require authentication to the "root" account on the host system of the device. This could allow an attacker to obtain admin-level access to the host 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

INEA ME RTU firmware versions 3.36b and prior contain a critical authentication bypass vulnerability where the root account on the device's host system requires no authentication. An unauthenticated remote attacker can gain administrative (root) access to the device's underlying operating system.

MitigationUpdate INEA ME RTU firmware to a version beyond 3.36b that enforces authentication for the root account, or implement network isolation and access controls as compensating measures if no patched firmware is available.

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
Me Rtu FirmwareOperating system
Affected:< 3.37

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 as an INEA ME RTU
    Locate the physical device or check network inventory for INEA ME RTU hardware. Review device documentation, nameplates, or management interface for the INEA ME RTU model designation.
    Affected if The device is confirmed to be an INEA ME RTU unit
  2. Determine the installed firmware version
    Access the device's web interface, CLI, or management console and locate the firmware version information. Compare your installed version to the affected range of 3.36b and prior.
    Affected if Firmware version is 3.36b or any version lower than 3.37
  3. Verify root account authentication configuration
    Check the device's user account settings, SSH/telnet configuration, or console access settings to determine whether the root account requires a password for login.
    Affected if Root account is accessible without any password or authentication requirement
  4. Assess network exposure of the management interface
    Determine if the device's management interface (SSH, telnet, web UI) is directly accessible from untrusted networks or the internet. Use network scans or review firewall rules.
    Affected if The device management interface is exposed to untrusted networks without proper access controls

A user is affected if they have an INEA ME RTU device running firmware version 3.36b or lower where the root account does not require authentication, especially if the management interface is network-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 3.37 or later
Fixed in 3.37
Interim mitigation

Update INEA ME RTU firmware to a version beyond 3.36b that enforces authentication for the root account, or implement network isolation and access controls as compensating measures if no patched firmware is available.

Recommended fix Moderate confidence

3.37

  1. Obtain the INEA ME RTU firmware version 3.37 from the official INEA vendor
  2. Follow the vendor's standard firmware upgrade procedure for the ME RTU device
  3. Verify the upgrade was successful by checking the firmware version after installation
  4. Confirm that authentication is now required for root account access

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

Fix this in Me Rtu Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-29155 — 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-2023-29155 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