CVEvulnerability
CVE-2014-2250
8.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2014-03-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 8.3 HIGH — AV:N/AC:M/Au:N/C:P/I:P/A:C
- Weaknesses
- CWE-310
Description
The random-number generator on Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 does not have sufficient entropy, which makes it easier for remote attackers to defeat cryptographic protection mechanisms and hijack sessions via unspecified vectors, a different vulnerability than CVE-2014-2251.
Affected configurations
• siemens simatic s7 cpu 1200 firmware (<= 3.0.2)
• siemens simatic s7 cpu 1200 firmware 3.0
• siemens simatic s7 cpu-1211c
• siemens simatic s7 cpu 1212c
• siemens simatic s7 cpu 1214c
• siemens simatic s7 cpu 1215c
• siemens simatic s7 cpu 1217c
Related
Weakness · not in database (1)
References
- http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02 US Government Resource
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf cert-portal.siemens.com
- http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02 US Government Resource
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf cert-portal.siemens.com