Vulnerabilities > CVE-2014-2251 - Insufficient Entropy vulnerability in Siemens SIMATIC S7-1500
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
COMPLETE network
siemens
Summary
The random-number generator on Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 does not have sufficient entropy, which makes it easier for remote attackers to defeat cryptographic protection mechanisms and hijack sessions via unspecified vectors. CWE-331: Insufficient Entropy
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 4 |