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.
Official resources
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CVE-2024-39568 CVE record
CVE.org
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CVE-2024-39568 NVD detail
NVD
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Source item URL
cisa_csaf
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Siemens and CISA disclosed this vulnerability on 2024-07-09 via coordinated security advisories. The vulnerability was identified in the SINEMA Remote Connect Client system service, with Siemens providing the primary technical analysis andC