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PatchSiren cyber security CVE debrief

CVE-2025-31352 Siemens CVE debrief

CVE-2025-31352 is a high-severity SQL injection vulnerability in Siemens TeleControl Server Basic. According to the advisory, an authenticated remote attacker who can reach port 8000 may bypass authorization controls, read and write the application database, and potentially execute code as NT AUTHORITY\NetworkService. Siemens and CISA recommend restricting access to port 8000 and updating to version V3.1.2.2 or later.

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

Operators of Siemens TeleControl Server Basic, OT/ICS administrators, security teams protecting systems exposed on port 8000, and incident responders responsible for Windows-based industrial control environments.

Technical summary

The affected application is vulnerable in the internally used UpdateGateways method, where SQL injection can be triggered over the network. The documented impact includes authorization bypass, database read/write access, and code execution with NT AUTHORITY\NetworkService permissions. The advisory states that successful exploitation requires access to port 8000 on a system running a vulnerable version of TeleControl Server Basic.

Defensive priority

High priority

Recommended defensive actions

  • Restrict access to port 8000 on affected systems to trusted IP addresses only.
  • Upgrade Siemens TeleControl Server Basic to V3.1.2.2 or later.
  • Inventory any exposed TeleControl Server Basic instances and verify they are not reachable from untrusted networks.
  • Review OT network segmentation and firewall rules around industrial control assets.
  • Monitor for unusual database activity or service behavior on systems running the affected product.

Evidence notes

This debrief is based only on the supplied CISA CSAF advisory record and the referenced Siemens/CISA official advisory links. The source data states the vulnerability is an SQL injection in the internal UpdateGateways method, affects Siemens TeleControl Server Basic, requires authenticated remote access and port 8000 reachability, and can lead to authorization bypass, database manipulation, and code execution as NT AUTHORITY\NetworkService. The supplied revision history shows the advisory was published on 2025-04-16 and revised on 2025-05-06 for typo fixes.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-31352 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-31352

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

  • CVE-2025-31352 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-31352

    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.