CVE-2023-37373
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 · uneditedA vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.4). The affected applications accept unauthenticated file write messages. An unauthenticated remote attacker could write arbitrary files to the affected application's file 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 confidenceRUGGEDCOM CROSSBOW versions prior to V5.4 accept unauthenticated file write messages, allowing remote attackers to write arbitrary files to the application's filesystem. This unauthenticated arbitrary file write vulnerability can lead to remote code execution, service disruption, or complete system compromise.
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< 5.4CVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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 checksWork through these to decide whether this CVE applies to you.
-
Identify if Siemens Ruggedcom Crossbow is deployedInventory your network for devices running or hosting Siemens Ruggedcom Crossbow software. Check running processes, installed applications, or device types for the Crossbow component.Affected if Ruggedcom Crossbow software is found running in the environment
-
Determine the installed Crossbow versionAccess the device management interface or check the software installation directory for the Crossbow version information. Look for version metadata in the application or system information panel.Affected if The installed version is lower than V5.4 (for example, V5.3.x, V5.2.x, or earlier releases)
-
Check if the Crossbow management service is network-exposedScan network boundaries to determine if the Crossbow management interface (typically ports 443/tcp or 80/tcp on the device) is accessible from untrusted networks or the internet.Affected if The management interface is reachable from outside the trusted network without firewall filtering
-
Verify if unauthenticated file upload or write features are enabledReview the Crossbow configuration settings related to file transfers, firmware updates, or message handling. Look for settings that allow unauthenticated or anonymous file operations.Affected if Unauthenticated file write or upload features are enabled in the configuration
You are affected if Siemens Ruggedcom Crossbow is running with a version below V5.4 and its management interface with the unauthenticated file write capability is network-accessible.
Generated from the published advisory. Verify against your own configuration.
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 · scoped5.4
Upgrade to RUGGEDCOM CROSSBOW V5.4 or later to patch this vulnerability. If immediate patching is not possible, network segmentation and restricting access to the management interface should be implemented as compensating controls.
Ruggedcom Crossbow V5.4
- 1. Back up the current Ruggedcom Crossbow configuration and any critical data.
- 2. Navigate to the Siemens Cert portal (cert-portal.siemens.com) or official Siemens support channels to obtain the Ruggedcom Crossbow V5.4 upgrade package.
- 3. Follow Siemens documented upgrade procedures for Ruggedcom Crossbow, ensuring the device has sufficient power and network stability during the process.
- 4. After upgrading, verify the system is operational and the version shows V5.4 or later.
- 5. Confirm the vulnerability is remediated by validating that authentication is now required for file write operations, or by reviewing release notes for V5.4.
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation8.0 h
- Implementation4.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,784.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-37373 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-37373 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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