CVE-2024-41940
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 SINEC NMS (All versions < V3.0). The affected application does not properly validate user input to a privileged command queue. This could allow an authenticated attacker to execute OS commands with elevated 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 confidenceSINEC NMS versions prior to V3.0 contain an authenticated command injection vulnerability in the privileged command queue. The application fails to properly validate user-supplied input before passing it to a privileged command execution routine, allowing an authenticated attacker to inject and execute arbitrary OS commands with elevated (system) privileges.
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< 3.0CVSS 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
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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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Identify the installed SINEC NMS versionAccess the SINEC NMS web interface and navigate to the About or System Information page, or check the installation documentation for version retrieval methods. Compare the displayed version number against the affected range (versions prior to V3.0).Affected if The installed version is lower than 3.0 (e.g., 2.x, 1.x)
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Confirm network accessibility of the management interfaceDetermine if the SINEC NMS management web interface is reachable from the network. This may involve checking firewall rules, reviewing network configurations, or attempting to reach the management URL from an external location.Affected if The management interface is exposed to untrusted networks (not restricted to trusted IP addresses)
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Verify authentication status for management interfaceReview whether valid user accounts exist for the SINEC NMS management interface and determine if these credentials could be obtained by an attacker (default credentials, weak passwords, compromised accounts).Affected if Valid authentication credentials are present and accessible to potential attackers
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Check access to the privileged command queue featureIf you have administrative access, navigate to the privileged command queue functionality within the SINEC NMS interface to confirm the feature exists and is accessible to authenticated users.Affected if The privileged command queue feature is accessible to authenticated users
If the SINEC NMS version is prior to V3.0 and the management interface is network-accessible with valid authentication credentials, the environment is affected by this authenticated command injection 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 · scoped3.0
Upgrade SINEC NMS to version V3.0 or later. If immediate patching is not possible, restrict network access to the management interface to trusted IP addresses and enforce strong authentication to reduce the attack surface.
SINEC NMS V3.0
- Verify current SINEC NMS version by checking the product UI or system information
- Plan maintenance window for the upgrade process
- Backup current configuration and data according to organizational backup procedures
- Download SINEC NMS V3.0 or later from official Siemens channels (e.g., Siemens Industry Online Support)
- Execute upgrade to V3.0 following official Siemens upgrade documentation
- Verify successful upgrade by confirming version number in the application
- Test that the application functionality remains intact after upgrade
- Confirm the vulnerability is remediated
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 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 $11,200.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-41940 — 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-2024-41940 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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- 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
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