dbcve.org
Sinec Traffic AnalyzerApplication · Siemens

CVE-2025-40770

HIGH · 7.0 CVSS v3.1 Published 2025-08-12
Fix available
A fix is available. Upgrade to 3.0 or later.
See remediation →
72/100
Remediation priority · Elevated
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 SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions). The affected application uses a monitoring interface that is not operating in a strictly passive mode. This could allow an attacker to interact with the interface, leading to man-in-the-middle attacks.

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 · moderate confidence

SINEC Traffic Analyzer has a vulnerability where its monitoring interface does not operate in a strictly passive mode, allowing an attacker to interact with the interface. This could enable man-in-the-middle attacks by intercepting or manipulating traffic between the monitoring tool and monitored devices.

MitigationImplement network segmentation to isolate the SINEC Traffic Analyzer and restrict access to the monitoring interface. Consider disabling the interface if passive monitoring is not required, or apply compensating controls such as VLAN separation and strict access control lists.

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
Sinec Traffic AnalyzerApplication
Affected:< 3.0

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
Local
Complexity
High
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify if SINEC Traffic Analyzer is installed
    Locate the SINEC Traffic Analyzer installation on the system. Check for presence of the application in standard software directories or use system inventory tools to find it.
    Affected if The product is found installed on the system.
  2. Determine the installed version
    Access the application's version information through its UI, about dialog, or command-line interface. Compare the version number to the affected range (versions prior to 3.0).
    Affected if The installed version is below 3.0.
  3. Confirm the monitoring interface is enabled
    Access the SINEC Traffic Analyzer configuration or settings. Check whether the monitoring interface is active or turned on.
    Affected if The monitoring interface is enabled or running.
  4. Assess network exposure of the monitoring interface
    Review network configuration to determine if the monitoring interface is bound to accessible network adapters or is reachable from network segments outside the trusted environment.
    Affected if The monitoring interface is network-accessible beyond isolated segments.

The environment is affected if SINEC Traffic Analyzer version below 3.0 is installed with the monitoring interface enabled and exposed on the network.

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 3.0 or later
Fixed in 3.0
Interim mitigation

Implement network segmentation to isolate the SINEC Traffic Analyzer and restrict access to the monitoring interface. Consider disabling the interface if passive monitoring is not required, or apply compensating controls such as VLAN separation and strict access control lists.

Recommended fix Moderate confidence

Sinec Traffic Analyzer version 3.0

  1. Verify current Sinec Traffic Analyzer version is below 3.0
  2. Schedule maintenance window for the upgrade
  3. Back up current configuration and data
  4. Obtain Sinec Traffic Analyzer version 3.0 from official Siemens sources (cert-portal.siemens.com or Siemens support)
  5. Install version 3.0 following Siemens installation documentation
  6. Verify the monitoring interface is now operating in strictly passive mode
  7. Test network functionality to confirm normal operation
Caveat Review Siemens release notes for version 3.0 to check for configuration or feature changes from previous versions

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

Fix this in Sinec Traffic Analyzer Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.

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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-2025-40770 in production — separate from our analysis above.

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What this is

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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