Insufficient Entropy in Siemens SIMATIC S7-1200 CPU PLC Devices
CVE-2014-2250

Currently unrated

Key Information:

Vendor
Siemens
Status
Simatic S7 Cpu 1200 Firmware
Simatic S7 Cpu-1211c
Simatic S7 Cpu 1212c
Simatic S7 Cpu 1214c
Vendor
CVE Published:
24 March 2014

Summary

The random-number generator in Siemens SIMATIC S7-1200 CPU PLC devices with firmware versions prior to 4.0 suffers from insufficient entropy. This flaw can be exploited by remote attackers to bypass cryptographic protections, potentially enabling session hijacking and other malicious activities through unspecified attack vectors. This vulnerability is distinct from similar issues, emphasizing the need for updated firmware to mitigate risks.

References

http://www.siemens.com/innovation/pool/de/forschungsfelde...
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http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02
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https://cert-portal.siemens.com/productcert/pdf/ssa-65438...
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Timeline

  • Vulnerability published

  • Vulnerability Reserved

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