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Intermesh 7177 Hybrid 2.0 SubscriberOperating system · Siemens

CVE-2024-47901

CRITICAL · 9.8 CVSS v3.1 Published 2024-10-23
Fix available
A fix is available. Upgrade to 7.2.12 / 8.2.12 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
A vulnerability has been identified in InterMesh 7177 Hybrid 2.0 Subscriber (All versions < V8.2.12), InterMesh 7707 Fire Subscriber (All versions < V7.2.12 only if the IP interface is enabled (which is not the default configuration)). The web server of affected devices does not sanitize the input parameters in specific GET requests that allow for code execution on operating system level. In combination with other vulnerabilities (CVE-2024-47902, CVE-2024-47903, CVE-2024-47904) this could allow an unauthenticated remote attacker to execute arbitrary code with root privileges.

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 InterMesh subscriber devices contain a command injection vulnerability in their web server. Unsanitized GET request parameters in specific requests allow injection of operating system commands. When combined with CVE-2024-47902, CVE-2024-47903, and CVE-2024-47904, an unauthenticated remote attacker can achieve arbitrary code execution with root privileges.

MitigationUpgrade InterMesh 7177 devices to version V8.2.12 or later, and InterMesh 7707 devices to V7.2.12 or later. For the 7707, also consider disabling the IP interface if not required, as the vulnerability only affects devices with this feature enabled.

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
Intermesh 7177 Hybrid 2.0 SubscriberOperating system
Affected:< 8.2.12
Intermesh 7707 Fire Subscriber FirmwareOperating system
Affected:< 7.2.12

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 InterMesh device model
    Locate the device label or access the device management interface to confirm whether the unit is a 7177 Hybrid 2.0 Subscriber or a 7707 Fire Subscriber.
    Affected if The device is an InterMesh 7177 or 7707 model.
  2. Check the installed firmware version
    Access the device web interface or use the device's administrative console to retrieve the current firmware version. Compare this version against the affected ranges: 7177 versions below 8.2.12, and 7707 versions below 7.2.12.
    Affected if The firmware version is below 8.2.12 on a 7177 device, or below 7.2.12 on a 7707 device.
  3. Verify the IP interface status on 7707 devices
    For 7707 Fire Subscriber devices, access the device configuration settings and determine whether the IP interface feature is enabled.
    Affected if The IP interface is enabled on a 7707 device running firmware below 7.2.12.
  4. Confirm web server accessibility
    Determine if the device web server is accessible from network segments where untrusted users could send HTTP requests.
    Affected if The web interface is exposed to untrusted networks on an affected version.

The environment is affected if the device is a Siemens InterMesh 7177 (firmware below 8.2.12) or 7707 (firmware below 7.2.12 with IP interface enabled), and the web server is accessible to potential attackers.

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 7.2.12 / 8.2.12 or later
Fixed in 7.2.128.2.12
Interim mitigation

Upgrade InterMesh 7177 devices to version V8.2.12 or later, and InterMesh 7707 devices to V7.2.12 or later. For the 7707, also consider disabling the IP interface if not required, as the vulnerability only affects devices with this feature enabled.

Recommended fix High confidence

Intermesh 7177 Hybrid 2.0 Subscriber: upgrade to V8.2.12 | Intermesh 7707 Fire Subscriber: upgrade to V7.2.12

  1. 1. Identify the Intermesh device model (7177 Hybrid 2.0 Subscriber or 7707 Fire Subscriber).
  2. 2. For Intermesh 7177 Hybrid 2.0 Subscriber: Upgrade firmware to version 8.2.12 or later.
  3. 3. For Intermesh 7707 Fire Subscriber: Upgrade firmware to version 7.2.12 or later.
  4. 4. If upgrade is not immediately possible, verify that the IP interface is disabled (not enabled) as a temporary mitigation for the 7707 model.

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

Fix this in Intermesh 7177 Hybrid 2.0 Subscriber Scoped from the published advisory
  • Consultation8.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
36.0 hours of engineering $6,400
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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-2024-47901 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