Multiple Vulnerabilities in SINEC INS Before V1.0 SP2 Update 3

Act Now9.9SSA-915275Nov 12, 2024

Attack VectorNetwork

Auth RequiredLow

ComplexityLow

User InteractionNone needed

Summary

SINEC INS before V1.0 SP2 Update 3 contains multiple critical vulnerabilities including authentication bypass, buffer overflow, path traversal, code injection, and denial of service flaws. The vulnerabilities span improper input validation, inadequate access controls, insecure cryptographic practices, and insufficient error handling. An authenticated attacker could exploit these to execute arbitrary code, modify system configuration, access sensitive data, or disrupt service availability on the SINEC INS platform and connected industrial control systems.

What this means

What could happen

An attacker with login credentials could execute arbitrary code on the SINEC INS server, compromise network integrity, and potentially control connected Siemens industrial automation systems including PLCs, SCADA servers, and engineering workstations across your facility.

Who's at risk

Water utilities, electric utilities, and other municipalities running Siemens SINEC INS network infrastructure solutions for automation and SCADA system management. Affects any facility using SINEC INS versions before V1.0 SP2 Update 3 to manage connected PLCs, industrial switches, engineering workstations, and control systems.

How it could be exploited

An attacker with valid SINEC INS user credentials could authenticate to the system and exploit multiple code execution, path traversal, or buffer overflow vulnerabilities to run arbitrary commands on the server. This provides a foothold to pivot to connected industrial devices on your automation network.

Prerequisites

Valid SINEC INS user credentials (engineering account or operator login)
Network access to the SINEC INS server (typically port 443 HTTPS or management interface)
SINEC INS version older than V1.0 SP2 Update 3

actively exploited (KEV)remotely exploitablerequires valid credentialslow complexity exploitationcritical CVSS 9.9EPSS 94.4% (very high exploit probability)affects SCADA/automation infrastructuremultiple vulnerability types (code execution, buffer overflow, path traversal)

Exploitability

Actively exploited — confirmed by CISA KEV

Affected products (1)

ProductAffected VersionsFix Status

SINEC INSAll versions < V1.0 SP2 Update 31.0 SP2 Update 3

Remediation & Mitigation

0/1

Do now

0/1

HOTFIXUpdate SINEC INS to version V1.0 SP2 Update 3 or later

CVEs (59)

View full Siemens ProductCERT advisory

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