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Multiple Vulnerabilities in SINEMA Remote Connect Client Before V3.2 SP2

Act Now9.8SSA-417159Sep 10, 2024
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary

SINEMA Remote Connect Client before V3.2 SP2 contains multiple vulnerabilities including use-after-free (CWE-416), improper input validation (CWE-20), certificate validation bypass (CWE-295), improper certificate validation (CWE-297), and insecure crypto implementation (CWE-613). These flaws allow remote attackers to execute code, compromise credentials, or deny service without requiring authentication or user interaction.

What this means
What could happen
Multiple vulnerabilities in SINEMA Remote Connect Client could allow an attacker to gain remote code execution, steal credentials, or cause denial of service. This could disrupt secure remote access to critical control systems and engineering workstations.
Who's at risk
Utilities and manufacturers using SINEMA Remote Connect Client for secure remote access to engineering workstations, HMIs, or PLCs. This affects IT and automation engineers who rely on this software for remote administration of industrial control systems.
How it could be exploited
An attacker can exploit these vulnerabilities over the network without authentication or user interaction. The attack could target the Remote Connect Client software running on engineering workstations or jump hosts, allowing execution of arbitrary commands or interception of encrypted communications.
Prerequisites
  • Network access to the system running SINEMA Remote Connect Client
  • SINEMA Remote Connect Client version before V3.2 SP2 installed and running
remotely exploitableno authentication requiredlow complexityhigh CVSS score (9.8)
Exploitability
Moderate exploit probability (EPSS 2.0%)
Affected products (1)
ProductAffected VersionsFix Status
SINEMA Remote Connect ClientAll versions < V3.2 SP23.2 SP2
Remediation & Mitigation
0/1
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpdate SINEMA Remote Connect Client to version V3.2 SP2 or later
View full Siemens ProductCERT advisory
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