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PatchSiren cyber security CVE debrief

CVE-2024-39568 Siemens CVE debrief

CVE-2024-39568 is a high-severity command injection vulnerability in Siemens SINEMA Remote Connect Client, published 2024-07-09. The flaw exists in the system service due to missing server-side input sanitization when loading proxy configurations. An authenticated local attacker can exploit this to execute arbitrary code with system privileges. The CVSS 3.1 score of 7.8 reflects high impacts to confidentiality, integrity, and availability with a local attack vector, low attack complexity, and low privileges required. Siemens has released a vendor fix in version 3.2 HF1 or later. CISA published advisory ICSA-24-193-15 coordinating with Siemens' SSA-868282 security advisory. No known exploitation in ransomware campaigns has been reported (not listed in CISA KEV).

Vendor
Siemens
Product
SINEMA Remote Connect Client
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-07-09
Original CVE updated
2024-07-09
Advisory published
2024-07-09
Advisory updated
2024-07-09

Who should care

Industrial control system operators, OT security teams, and network administrators deploying Siemens SINEMA Remote Connect Client for remote access management should prioritize this vulnerability. Organizations using SINEMA Remote Connect Client in critical infrastructure environments face elevated risk due to the system privilege impact. Security teams responsible for patch management in OT environments should coordinate with Siemens support channels for update deployment. Compliance teams tracking CISA ICS advisories should document remediation status for audit purposes.

Technical summary

The SINEMA Remote Connect Client system service fails to sanitize user-supplied input when loading proxy configurations, resulting in a command injection vulnerability. The affected component processes proxy configuration data without adequate server-side validation, allowing metacharacters or command delimiters to reach system command execution contexts. Successful exploitation requires authenticated local access, yielding arbitrary code execution with system-level privileges. The vulnerability is classified under CWE-78 (OS Command Injection) patterns. Attack complexity is low with no user interaction required beyond initial authentication.

Defensive priority

HIGH

Recommended defensive actions

  • Apply Siemens vendor fix: Update SINEMA Remote Connect Client to version 3.2 HF1 or later
  • Restrict local access to systems running SINEMA Remote Connect Client to authorized administrators only
  • Monitor for unauthorized proxy configuration changes in SINEMA Remote Connect Client deployments
  • Review and implement CISA ICS recommended practices for defense-in-depth strategies
  • Validate input sanitization controls in custom proxy configuration workflows

Evidence notes

Vulnerability description and remediation details sourced from CISA CSAF advisory ICSA-24-193-15 and Siemens security advisory SSA-868282. CVSS vector confirms local attack vector with system privilege impact. Vendor fix version 3.2 HF1 explicitly documented in CSAF remediation section.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-39568 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-39568

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

  • CVE-2024-39568 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-39568

    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-24-193-15.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-868282.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-868282.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/pdf/ssa-868282.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/txt/ssa-868282.txt

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-193-15

    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

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.