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VULNERABILITIES

CVE-2014-2251 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01 CVEUS Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf CVE
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf CVEPatchVendor Advisory
http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01 [email protected]US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
siemens simatic s7-1500 cpu firmware
<= 1.1.2
1.0.1
1.1.0
1.1.1

CPE

  • cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:*:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.0:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2014-2251
NVD Published Date:
Mar 16, 2014
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2014-2251 Details - Not Deferred