CVE-2023-27310
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 < V5.2). The client query handler of the affected application fails to check for proper permissions when assigning groups to user accounts. This could allow an authenticated remote attacker to assign administrative groups to otherwise non-privileged user accounts.
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 V5.2 contain an authorization bypass vulnerability in the client query handler. The handler fails to properly validate permissions when processing group assignment requests for user accounts, allowing any authenticated remote user to elevate their privileges by assigning administrative groups to their account or other non-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< 5.2CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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 checksWork through these to decide whether this CVE applies to you.
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Determine installed RUGGEDCOM CROSSBOW versionAccess the device management interface (web UI or CLI) and navigate to the system information or about section to view the software version. Consult product documentation for the specific command or menu path.Affected if The displayed version is prior to V5.2 (for example, V5.0, V4.x, or earlier)
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Verify remote management access is enabledCheck the network configuration settings to confirm whether the web-based management interface or CLI is accessible remotely over network ports (HTTP/HTTPS or SSH).Affected if Remote management access is enabled and the interface is reachable from network segments outside the trusted administration zone
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Review user account group assignmentsAccess the user management or accounts configuration panel. Examine the group memberships assigned to each user account, specifically looking for any accounts that have administrative or elevated privileges.Affected if Any user account has been assigned to administrative or elevated privilege groups without explicit documented authorization, or unexpected administrative accounts exist
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Audit authentication logs for group assignment eventsReview system logs, security logs, or audit logs for events related to user group modifications, privilege changes, or account modifications. Look for group assignment operations that may have been performed.Affected if Logs show group assignment operations that were not performed by the designated administrator account or that occurred outside expected administration windows
The environment is affected if the installed RUGGEDCOM CROSSbow version is prior to V5.2 and the management interface is accessible to authenticated users who could exploit the group assignment vulnerability.
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 · scoped5.2
Upgrade RUGGEDCOM CROSSBOW to version V5.2 or later to obtain the vendor patch. Limit network exposure of the management interface and enforce strict authentication controls until the upgrade can be applied.
V5.2
- Obtain Ruggedcom Crossbow V5.2 from the official Siemens support portal or certified distribution channels
- Review the V5.2 release notes and upgrade documentation for any special requirements
- Create a full backup of the current Crossbow configuration
- Follow Siemens official upgrade procedures to install V5.2
- After upgrade, verify that the authorization controls are properly enforced by testing group assignment functionality
- Confirm that non-privileged users can no longer assign administrative groups to accounts
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-27310 — 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-2023-27310 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
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- Version or environment caveats, and links to real fixes
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