OTPulse

Siemens SINEC Security Monitor

Plan PatchCVSS 9.9ICS-CERT ICSA-24-284-06Oct 8, 2024
Siemens
Attack path
Attack VectorNetwork
Auth RequiredLow
ComplexityLow
User InteractionNone needed
Summary

SINEC Security Monitor versions before 4.9.0 contain multiple vulnerabilities including command injection (CWE-88, CWE-77), path traversal (CWE-22), and improper input validation (CWE-183, CWE-1230) that allow authenticated attackers to execute arbitrary commands and access sensitive files on the monitoring system.

What this means
What could happen
An attacker with network access and valid credentials could execute arbitrary commands or read/modify sensitive files on the SINEC Security Monitor, potentially compromising the ability to detect security threats across connected industrial networks.
Who's at risk
Water utilities and municipal electric systems that use Siemens SINEC Security Monitor for threat detection and network monitoring. The vulnerability affects monitoring infrastructure that operators depend on to detect attacks on critical control systems.
How it could be exploited
An attacker with valid user credentials could send a specially crafted request to the SINEC Security Monitor over the network. The vulnerability allows command injection or arbitrary file access, enabling the attacker to run administrative commands or access sensitive configuration and monitoring data.
Prerequisites
  • Valid SINEC Security Monitor user credentials
  • Network access to the SINEC Security Monitor host/port
  • SINEC Security Monitor version prior to 4.9.0
Remotely exploitableRequires valid credentialsCritical CVSS score (9.9)Affects security monitoring infrastructureMultiple vulnerability types (command injection, path traversal, file access)
Exploitability
Some exploitation risk — EPSS score 2.9%
Affected products (1)
ProductAffected VersionsFix Status
SINEC Security Monitor< 4.9.04.9.0
Remediation & Mitigation
0/3
Do now
0/1
WORKAROUNDRestrict network access to SINEC Security Monitor to only authorized personnel and systems using firewall rules
Schedule — requires maintenance window
0/1

Patching may require device reboot — plan for process interruption

HOTFIXUpdate SINEC Security Monitor to version 4.9.0 or later
Long-term hardening
0/1
HARDENINGIsolate the network segment containing SINEC Security Monitor from the general business network
View full CISA ICS-CERT advisory
API: /api/v1/advisories/343d3212-b0fd-4752-a692-66219b75464a

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