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CVE-2025-32847 Siemens CVE debrief

CVE-2025-32847 affects Siemens TeleControl Server Basic and was publicly disclosed on 2025-04-16 in CISA advisory ICSA-25-112-01 / Siemens advisory SSA-443402. The issue is an SQL injection in the internally used UnlockGeneralSettings method; an authenticated remote attacker who can reach port 8000 may bypass authorization controls, read and write the application's database, and execute code as NT AUTHORITY\\NetworkService.

Vendor
Siemens
Product
TeleControl Server Basic
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2025-04-16
Original CVE updated
2025-05-06
Advisory published
2025-04-16
Advisory updated
2025-05-06

Who should care

Organizations running Siemens TeleControl Server Basic, especially OT/ICS teams, Windows administrators, and security teams responsible for network exposure control on systems that listen on port 8000.

Technical summary

The supplied advisory describes a network-reachable SQL injection reachable through an internal UnlockGeneralSettings method. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (8.8 HIGH), indicating remote exploitation with low complexity after authentication and network access. The vendor remediation is to update to V3.1.2.2 or later; the interim mitigation is to restrict access to port 8000 to trusted IP addresses only.

Defensive priority

High — prioritize quickly if TeleControl Server Basic is deployed and port 8000 is reachable from untrusted networks or broad internal segments.

Recommended defensive actions

  • Update Siemens TeleControl Server Basic to V3.1.2.2 or later.
  • Restrict access to port 8000 on affected systems to trusted IP addresses only.
  • Verify which hosts expose TeleControl Server Basic on port 8000 and remove unnecessary exposure.
  • Review authentication and network segmentation around the application before applying the vendor fix.
  • Monitor affected systems for unexpected database changes or service behavior until remediation is complete.

Evidence notes

Primary evidence comes from the CISA CSAF advisory (ICSA-25-112-01) and the Siemens CERT advisory referenced in the source corpus. The source text states that the flaw is SQL injection in UnlockGeneralSettings, requires authenticated remote access with reachability to port 8000, and can lead to authorization bypass, database read/write, and code execution as NT AUTHORITY\\NetworkService. The advisory was published on 2025-04-16 and revised on 2025-05-06 for typos only; no KEV listing is present in the supplied data.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-32847 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-32847

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-32847 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-32847

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-112-01.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-443402.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-443402.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-112-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.