Telecontrol Server BasicApplication · Siemens

CVE-2025-32830

HIGH · 8.8 CVSS v3.1 Published 2025-04-16
Fix available
A fix is available. Upgrade to 3.1.2.2 or later.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable 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 TeleControl Server Basic (All versions < V3.1.2.2). The affected application is vulnerable to SQL injection through the internally used 'UnlockProject' method. This could allow an authenticated remote attacker to bypass authorization controls, to read from and write to the application's database and execute code with "NT AUTHORITY\NetworkService" permissions. A successful attack requires the attacker to be able to access port 8000 on a system where a vulnerable version of the affected application is executed on.

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

SQL injection vulnerability in TeleControl Server Basic's UnlockProject method allows authenticated remote attackers to bypass authorization, read/write the database, and execute code as NT AUTHORITY\NetworkService. Exploitation requires network access to port 8000 on vulnerable installations.

MitigationUpgrade to version V3.1.2.2 or later to remediate. If immediate upgrade is not feasible, restrict network access to port 8000 to trusted IPs only and monitor for unusual database activity.

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
Telecontrol Server BasicApplication
Affected:< 3.1.2.2

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
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 checks

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

  1. Verify TeleControl Server Basic is installed
    Check for installation in default location C:\Program Files\Siemens\TeleControl Server Basic or look for service named 'TeleControl Server Basic' in Windows Services
    Affected if Service or installation found on system
  2. Determine installed version
    Open Windows Services, find TeleControl Server Basic service, check version via executable properties or look in installation directory for version info file
    Affected if Version is lower than 3.1.2.2
  3. Check if port 8000 is listening
    Run 'netstat -an | findstr :8000' or use PowerShell 'Test-NetConnection -ComputerName localhost -Port 8000' to verify the service port is open
    Affected if Port 8000 is listening and accessible from network
  4. Verify NT AUTHORITY\NetworkService context
    Check the service configuration in Windows Services - right-click TeleControl Server Basic service, go to Properties, examine 'Log on as' setting
    Affected if Service runs under NT AUTHORITY\NetworkService account (vulnerable configuration)
  5. Check network exposure
    Review firewall rules and network access controls for port 8000 using 'netsh advfirewall firewall show rule name=all' or external port scan
    Affected if Port 8000 is accessible from untrusted network addresses

System is affected if TeleControl Server Basic is installed with version below 3.1.2.2, port 8000 is exposed, and the service runs with elevated privileges.

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 3.1.2.2 or later
Fixed in 3.1.2.2
Interim mitigation

Upgrade to version V3.1.2.2 or later to remediate. If immediate upgrade is not feasible, restrict network access to port 8000 to trusted IPs only and monitor for unusual database activity.

Recommended fix High confidence

V3.1.2.2

  1. 1. Identify the current version of TeleControl Server Basic installed on the system
  2. 2. Obtain TeleControl Server Basic version V3.1.2.2 or later from the official Siemens download portal (cert-portal.siemens.com)
  3. 3. Back up all existing configurations, databases, and application data
  4. 4. Stop the TeleControl Server Basic service
  5. 5. Install or apply the upgrade to version 3.1.2.2 or later
  6. 6. Restart the TeleControl Server Basic service
  7. 7. Verify the installation was successful by checking the application version and ensuring port 8000 is accessible

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

Fix this in Telecontrol Server Basic Scoped from the published advisory
  • Consultation2.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,100
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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-2025-32830 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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