CVE-2014-2250

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Summary

CVECVE-2014-2250
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-03-24 14:20:39 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 8.3 from [email protected]

AV:N/AC:M/Au:N/C:P/I:P/A:C

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Complete

AV:N/AC:M/Au:N/C:P/I:P/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Siemens Simatic S7 Cpu-1211c - All All All
Operating System Siemens Simatic S7 Cpu 1200 Firmware 3.0 All All All
Operating System Siemens Simatic S7 Cpu 1200 Firmware All All All All
Hardware Siemens Simatic S7 Cpu 1212c - All All All
Hardware Siemens Simatic S7 Cpu 1214c - All All All
Hardware Siemens Simatic S7 Cpu 1215c - All All All
Hardware Siemens Simatic S7 Cpu 1217c - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Siemens SIMATIC S7-1200 Vulnerabilities | ICS-CERT af854a3a-2127-422b-91ae-364da2661108 ics-cert.us-cert.gov US Government Resource
cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
Siemens af854a3a-2127-422b-91ae-364da2661108 www.siemens.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 591110 Siemens SIMATIC S7-1200 Multiple Vulnerabilities (ICSA-14-079-02, SSA-654382)
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