Siemens SINEC NMS
Act Now9.8ICS-CERT ICSA-24-046-15Feb 13, 2024
Attack VectorNetwork
Auth RequiredNone
ComplexityLow
User InteractionNone needed
Summary
Siemens SINEC NMS before V2.0 SP1 is affected by multiple vulnerabilities including buffer overflows, weak cryptography, authentication bypass, path traversal, SQL injection, and improper access controls. The vulnerability CWEs span memory safety, cryptographic, input validation, and authorization issues. Siemens has released update V2.0 SP1 to address these issues.
What this means
What could happen
An attacker with network access to SINEC NMS could execute arbitrary code, bypass authentication, access sensitive data, or disrupt the network management system that monitors and controls Siemens industrial devices across your facility.
Who's at risk
Water utilities, electric utilities, and any industrial facility running Siemens SINEC NMS to manage their industrial control systems including PLCs, intelligent electronic devices (IEDs), network switches, and other Siemens automation equipment. This impacts network management and monitoring capabilities across the facility.
How it could be exploited
An attacker on the network could send crafted requests to SINEC NMS to exploit buffer overflows, weak authentication, path traversal, or SQL injection flaws. Once compromised, the attacker could run arbitrary commands on the NMS server or access credentials to Siemens devices under management, enabling lateral movement to PLCs, switches, and other critical network infrastructure.
Prerequisites
- Network access to SINEC NMS web interface or API (port 80/443 or custom)
- No authentication required for some vulnerabilities
- Device must be running SINEC NMS version before 2.0 SP1
Remotely exploitableNo authentication required (for some vulnerabilities)Low complexityHigh EPSS score (92%)Affects critical infrastructure management
Exploitability
High exploit probability (EPSS 92.0%)
Affected products (1)
ProductAffected VersionsFix Status
SINEC NMS<V2.0 SP12.0 SP1
Remediation & Mitigation
0/4
Do now
0/3HOTFIXUpdate SINEC NMS to version 2.0 SP1 or later
WORKAROUNDRestrict network access to SINEC NMS to authorized engineering workstations and administrative networks using firewall rules or network segmentation
WORKAROUNDDisable or restrict API access if not required for operations
Long-term hardening
0/1HARDENINGImplement network segmentation to isolate SINEC NMS and managed devices from untrusted networks
CVEs (62)
CVE-2022-4203CVE-2022-4304CVE-2022-4450CVE-2023-0215CVE-2023-0216CVE-2023-0217CVE-2023-0286CVE-2023-0401CVE-2023-1255CVE-2023-2454CVE-2023-2455CVE-2023-2650CVE-2023-2975CVE-2023-3446CVE-2023-3817CVE-2023-25690CVE-2023-27522CVE-2023-27533CVE-2023-27534CVE-2023-27535CVE-2023-27536CVE-2023-27537CVE-2023-27538CVE-2023-28319CVE-2023-28320CVE-2023-28321CVE-2023-28322CVE-2023-28709CVE-2023-30581CVE-2023-30582CVE-2023-30583CVE-2023-30584CVE-2023-30585CVE-2023-30586CVE-2023-30587CVE-2023-30588CVE-2023-30589CVE-2023-30590CVE-2023-31124CVE-2023-31130CVE-2023-31147CVE-2023-32002CVE-2023-32003CVE-2023-32004CVE-2023-32005CVE-2023-32006CVE-2023-32067CVE-2023-32558CVE-2023-32559CVE-2023-34035CVE-2023-35945CVE-2023-38039CVE-2023-38199CVE-2023-38545CVE-2023-38546CVE-2023-39417CVE-2023-39418CVE-2023-41080CVE-2023-46120CVE-2024-23810CVE-2024-23811CVE-2024-23812
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