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Incorrect Privilege AssignmentWeakness · CWE-266

CVE-2024-38278

MEDIUM · 6.6 CVSS v3.1 Published 2024-07-09
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
72/100
Remediation priority · Elevated
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 RUGGEDCOM RMC8388 V5.X (All versions < V5.9.0), RUGGEDCOM RMC8388NC V5.X (All versions < V5.9.0), RUGGEDCOM RS416NCv2 V5.X (All versions < V5.9.0), RUGGEDCOM RS416PNCv2 V5.X (All versions < V5.9.0), RUGGEDCOM RS416Pv2 V5.X (All versions < V5.9.0), RUGGEDCOM RS416v2 V5.X (All versions < V5.9.0), RUGGEDCOM RS900 (32M) V5.X (All versions < V5.9.0), RUGGEDCOM RS900G (32M) V5.X (All versions < V5.9.0), RUGGEDCOM RS900GNC(32M) V5.X (All versions < V5.9.0), RUGGEDCOM RS900NC(32M) V5.X (All versions < V5.9.0), RUGGEDCOM RSG2100 (32M) V5.X (All versions < V5.9.0), RUGGEDCOM RSG2100NC(32M) V5.X (All versions < V5.9.0), RUGGEDCOM RSG2100P (32M) V5.X (All versions < V5.9.0), RUGGEDCOM RSG2100PNC (32M) V5.X (All versions < V5.9.0), RUGGEDCOM RSG2288 V5.X (All versions < V5.9.0), RUGGEDCOM RSG2288NC V5.X (All versions < V5.9.0), RUGGEDCOM RSG2300 V5.X (All versions < V5.9.0), RUGGEDCOM RSG2300NC V5.X (All versions < V5.9.0), RUGGEDCOM RSG2300P V5.X (All versions < V5.9.0), RUGGEDCOM RSG2300PNC V5.X (All versions < V5.9.0), RUGGEDCOM RSG2488 V5.X (All versions < V5.9.0), RUGGEDCOM RSG2488NC V5.X (All versions < V5.9.0), RUGGEDCOM RSG907R (All versions < V5.9.0), RUGGEDCOM RSG908C (All versions < V5.9.0), RUGGEDCOM RSG909R (All versions < V5.9.0), RUGGEDCOM RSG910C (All versions < V5.9.0), RUGGEDCOM RSG920P V5.X (All versions < V5.9.0), RUGGEDCOM RSG920PNC V5.X (All versions < V5.9.0), RUGGEDCOM RSL910 (All versions < V5.9.0), RUGGEDCOM RSL910NC (All versions < V5.9.0), RUGGEDCOM RST2228 (All versions < V5.9.0), RUGGEDCOM RST2228P (All versions < V5.9.0), RUGGEDCOM RST916C (All versions < V5.9.0), RUGGEDCOM RST916P (All versions < V5.9.0). The affected products with IP forwarding enabled wrongly make available certain remote services in non-managed VLANs, even if these services are not intentionally activated. An attacker could leverage this vulnerability to create a remote shell to the affected 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 vulnerability occurs when IP forwarding is enabled on affected RUGGEDCOM devices, causing remote services to be inadvertently exposed in non-managed VLANs even when those services were never intentionally activated. An attacker on an adjacent VLAN could exploit this network misconfiguration to obtain a remote shell on the affected system.

MitigationUpgrade all affected RUGGEDCOM devices to firmware version V5.9.0 or later. Until upgrade is possible, disable IP forwarding if not required and strictly enforce VLAN segmentation to prevent unauthorized access to management services from non-managed VLANs.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

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

CVSS:3.1/AV:N/AC:H/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. Identify RUGGEDCOM device and firmware version
    Access the device CLI or web interface and retrieve the device model and firmware version. On most RUGGEDCOM devices, use 'show version' or check System > Info in the web UI.
    Affected if The device is a RUGGEDCOM product running firmware version prior to V5.9.0
  2. Verify IP forwarding is enabled
    Check the device network configuration settings. In RUGGEDCOM devices, this is typically found under Network > IP Settings or via the CLI command 'show ip routing'. Confirm whether IP forwarding or layer 3 routing is turned on.
    Affected if IP forwarding/routing is enabled on the device (this is the primary condition required for exploitation)
  3. Review VLAN configuration and segmentation
    Access VLAN settings (usually under Network > VLAN) and identify which VLANs are configured as managed versus non-managed. Check VLAN membership and tagging rules.
    Affected if The device has multiple VLANs configured and non-managed VLANs exist alongside management interfaces
  4. Test for service exposure from non-managed VLAN
    From a host on a non-managed VLAN, attempt to reach common management ports on the device IP address (such as port 22 for SSH, 80 for HTTP, 443 for HTTPS). Use tools like telnet, nmap, or netcat to probe these ports.
    Affected if Management or remote services are reachable from a non-managed VLAN when they should not be

A RUGGEDCOM device is affected if it runs firmware before V5.9.0 AND has IP forwarding enabled, allowing adjacent VLAN attackers to reach services that should be isolated.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade all affected RUGGEDCOM devices to firmware version V5.9.0 or later. Until upgrade is possible, disable IP forwarding if not required and strictly enforce VLAN segmentation to prevent unauthorized access to management services from non-managed VLANs.

Recommended fix High confidence

V5.9.0

  1. Identify the specific RUGGEDCOM device model from the affected product list
  2. Check the current firmware version of the device
  3. Download firmware version V5.9.0 or later from the Siemens industrial security website or official support channels
  4. Follow Siemens' standard firmware upgrade procedure for the specific RUGGEDCOM device
  5. After upgrade, verify that IP forwarding is properly configured and remote services are not exposed in non-managed VLANs
  6. Confirm the firmware version has been successfully updated to V5.9.0 or later
Caveat Review release notes for V5.9.0 to check for any configuration changes or feature modifications that may affect your deployment

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

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA2.0 h
20.0 hours of engineering $3,500
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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-2024-38278 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
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