Rox Ii FirmwareOperating system · Siemens

CVE-2018-13802

HIGH · 7.2 CVSS v3.0 Published 2018-10-10
Fix available
A fix is available. Upgrade to 2.12.1 or later.
See remediation →
78/100
Remediation priority · High
Remotely reachable 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 ROX II (All versions < V2.12.1). An authenticated attacker with a high-privileged user account access via SSH could circumvent restrictions in place and execute arbitrary operating system commands. Successful exploitation requires that the attacker has network access to the SSH interface in on port 22/tcp. The attacker must be authenticated to exploit the vulnerability. The vulnerability could allow an attacker to execute arbitrary code on the device.

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

ROX II versions before V2.12.1 contain an authentication bypass vulnerability in the SSH interface that allows authenticated high-privileged users to circumvent security restrictions and execute arbitrary operating system commands. The attacker requires valid credentials for a high-privileged account and network access to SSH on port 22/tcp.

MitigationUpgrade ROX II to version V2.12.1 or later to obtain the patched firmware. If immediate upgrade is not possible, restrict SSH access to trusted management networks and enforce strong credential policies for privileged accounts.

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
Rox Ii FirmwareOperating system
Affected:< 2.12.1

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
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:H/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. Determine installed ROX II firmware version
    Access the device CLI or web interface and retrieve the firmware version information. Common methods include using 'show version' or 'system info' commands via console/SSH, or checking the firmware version displayed in the device web interface.
    Affected if The installed firmware version is lower than 2.12.1 (for example, 2.11.x, 2.10.x, or earlier).
  2. Verify SSH service is enabled
    Check the device configuration to confirm whether the SSH service is enabled. This can be done via the device CLI using commands like 'show services' or 'show ssh configuration', or through the web management interface under service settings.
    Affected if SSH service is enabled and accessible on the device.
  3. Confirm network accessibility to SSH port
    From an external system, attempt to reach port 22/tcp on the ROX II device IP address using tools such as 'nmap -p 22 <target_ip>' or 'telnet <target_ip> 22'.
    Affected if Port 22/tcp is open and reachable from untrusted networks, indicating SSH is exposed on the network.

The environment is affected if the installed ROX II firmware version is below 2.12.1, SSH is enabled, and the SSH service is network-accessible to the attacker.

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 2.12.1 or later
Fixed in 2.12.1
Interim mitigation

Upgrade ROX II to version V2.12.1 or later to obtain the patched firmware. If immediate upgrade is not possible, restrict SSH access to trusted management networks and enforce strong credential policies for privileged accounts.

Fix this in Rox Ii Firmware Scoped from the published advisory
  • Consultation3.0 h
  • Implementation2.0 h
  • Testing4.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,920
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2018-13802 — 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-2018-13802 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