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PatchSiren cyber security CVE debrief

CVE-2024-47553 Siemens CVE debrief

A critical command injection vulnerability in Siemens SINEC Security Monitor allows authenticated remote attackers with low privileges to escalate to root-level code execution on the underlying operating system. The flaw stems from improper input validation in the `ssmctl-client` command. CISA published this advisory on October 8, 2024, with subsequent republications through March 12, 2026 to incorporate updates from Siemens ProductCERT. The vendor has released version 4.9.0 to address this issue.

Vendor
Siemens
Product
SINEC Security Monitor
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2024-10-08
Original CVE updated
2026-03-12
Advisory published
2024-10-08
Advisory updated
2026-03-12

Who should care

Organizations operating Siemens SINEC Security Monitor in industrial environments, OT security teams, critical infrastructure operators, and asset owners responsible for network security monitoring in manufacturing, energy, and process control sectors.

Technical summary

The SINEC Security Monitor application fails to properly validate user input passed to the `ssmctl-client` command. An authenticated attacker with low privileges can exploit this insufficient input validation to inject arbitrary commands, resulting in remote code execution with root privileges on the host operating system. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C) reflects network attack vector, low attack complexity, low privileges required, no user interaction, changed scope, and high impacts to confidentiality, integrity, and availability.

Defensive priority

critical

Recommended defensive actions

  • Upgrade Siemens SINEC Security Monitor to version 4.9.0 or later immediately
  • Restrict network access to SINEC Security Monitor management interfaces to trusted administrative hosts only
  • Monitor for anomalous `ssmctl-client` command execution or unexpected privilege escalation attempts
  • Apply defense-in-depth strategies for industrial control systems per CISA guidance
  • Review and validate input sanitization for all administrative commands in OT environments

Evidence notes

CVE published 2024-10-08; CISA advisory ICSA-24-284-06; Siemens ProductCERT SSA-430425; CVSS 3.1 score 9.9 (Critical); vendor fix available in V4.9.0

Sources and references

Verified primary and authoritative sources

  • CVE-2024-47553 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-47553

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

  • CVE-2024-47553 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-47553

    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/2024/icsa-24-284-06.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-430425.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-430425.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-284-06

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/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://www.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.