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PatchSiren cyber security CVE debrief

CVE-2025-32829 Siemens CVE debrief

CVE-2025-32829 is a high-severity SQL injection issue in Siemens TeleControl Server Basic. The advisory states that an authenticated remote attacker who can reach port 8000 on a vulnerable system may abuse the internally used LockProjectCrossCommunications method to bypass authorization controls, read and write the application database, and potentially 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

Operators and defenders responsible for Siemens TeleControl Server Basic deployments, especially environments where the service is reachable on port 8000 or exposed beyond trusted network boundaries.

Technical summary

According to the CISA CSAF advisory and Siemens references, the vulnerability is an SQL injection flaw in the internally used LockProjectCrossCommunications method. The stated attack prerequisites are network access to port 8000 and authenticated access. Successful exploitation may permit authorization bypass, database read/write access, and code execution with NT AUTHORITY\NetworkService permissions. The supplied CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, matching the 8.8 HIGH score in the source corpus.

Defensive priority

High. Prioritize systems where TeleControl Server Basic is deployed and where port 8000 is reachable from untrusted or broadly trusted networks. Apply the vendor fix first, then reduce exposure.

Recommended defensive actions

  • Update Siemens TeleControl Server Basic to V3.1.2.2 or later, as specified in the Siemens remediation guidance.
  • Restrict access to port 8000 on affected systems to trusted IP addresses only.
  • Review network segmentation and service exposure for any TeleControl Server Basic instance that may be reachable by non-admin or non-trusted hosts.
  • Follow Siemens and CISA industrial control system defense-in-depth guidance for layered protections around OT-facing services.

Evidence notes

This debrief is based only on the supplied CISA CSAF source item for ICSA-25-112-01 and the Siemens advisory references listed in that source. The issue was published on 2025-04-16 and revised on 2025-05-06; the revision history provided says the later update fixed typos only. No KEV entry was supplied in the corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-32829 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-32829

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

  • CVE-2025-32829 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-32829

    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.